{"product_id":"rolling-knife-sharpener-diamond-ceramic-discs-15-20-magnetic-block","title":"Rolling Knife Sharpener – Diamond \u0026 Ceramic Discs, 15° \u0026 20° Magnetic Block","description":"\u003cdiv style=\"max-width:1000px;margin:0 auto;font-size:16px;line-height:1.65;color:#1f2933;\"\u003e\n\u003cdiv style=\"text-align:center;padding:8px 16px 26px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;text-align:center;\"\u003eDiamond disc · Ceramic disc · 15° \u0026amp; 20° magnetic block\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 14px;font-size:30px;line-height:1.2;\"\u003eRazor-Sharp Knives Without Guessing the Angle\u003c\/h2\u003e\n\u003cp style=\"margin:0 auto;max-width:720px;\"\u003eBlunt knives squash tomatoes, slip off onions and make cooking a chore. Whetstones need years of practice to hold the right angle, and pull-through sharpeners can chip a good blade. This rolling sharpener takes the guesswork away: the magnetic block holds your knife at a fixed angle and you simply roll the sharpener along the edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:0 0 32px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0918\/2183\/4610\/files\/b68_15285247738226_E0.jpg?v=1794446533\" alt=\"Black rolling knife sharpener next to its magnetic angle block on a kitchen counter\" style=\"width:100%;height:auto;border-radius:16px;display:block;max-width:640px;margin:0 auto;\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"background:#f3f7ff;border-radius:18px;padding:32px 24px;margin:0 0 32px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;text-align:center;\"\u003eSound familiar?\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 20px;font-size:24px;text-align:center;\"\u003eWhy most knives in the drawer are blunt\u003c\/h3\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;\"\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;\"\u003e\u003cdiv style=\"padding:18px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eThe tomato test\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eA blunt knife squashes a tomato instead of slicing it, and slips on onion skin, which is when cuts happen.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;\"\u003e\u003cdiv style=\"padding:18px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eSharpeners that ruin blades\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eMany cheap sharpeners grind the edge unevenly or chip it, so good knives get worse, not better.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;\"\u003e\u003cdiv style=\"padding:18px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eHolding the angle by hand\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eA whetstone works, but keeping the blade at the same angle stroke after stroke takes a lot of practice.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f7f8fa;border-radius:18px;padding:28px 24px;margin:0 0 32px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eHow it works\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 14px;font-size:24px;\"\u003eSharp in three simple steps\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003e1. Attach the knife to the magnetic block\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eChoose the 15° or 20° side and lay the blade against it. The magnets hold the knife firmly at that angle.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003e2. Roll the sharpener along the blade\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eRoll back and forth with light pressure; the weight of your hand is enough. Start with the diamond disc to sharpen, then turn the roller round and use the ceramic disc to polish the edge.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003e3. Slice with ease\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eTurn the knife over, repeat on the other side, and the edge is ready. Most knives take about a minute.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0918\/2183\/4610\/files\/9_9cb36907-f253-49fc-b549-7115e1c13165.png?v=1793917191\" alt=\"The diamond sharpening disc and the ceramic polishing disc\" style=\"width:100%;height:auto;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eTwo discs in one roller\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eDiamond to sharpen, ceramic to polish\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eOne end of the roller carries a diamond-coated disc. Diamond is the hardest abrasive there is, so it quickly takes off the dull layer of the edge and sets a new one.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe other end has a ceramic disc for the finishing pass. It smooths and polishes the fresh edge, so the knife glides through food.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe roller has a steel core, so it feels solid in the hand and rolls evenly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0918\/2183\/4610\/files\/10_bb6cdc96-9995-44fe-bfa8-57d3c9660c8a.png?v=1793917190\" alt=\"Black rolling sharpener and magnetic angle block side by side\" style=\"width:100%;height:auto;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eSafe for your knives\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eThe angle is set, so the edge stays even\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eEver had a sharpener that chipped or ruined a good knife? The magnetic block locks the blade at the exact same angle every time, so you get a clean, even edge without grinding away more steel than needed.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThat makes it suitable for everything from an everyday supermarket knife to a good Japanese blade.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003e20° side:\u003c\/strong\u003e for Western and most everyday kitchen knives.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003e15° side:\u003c\/strong\u003e for Japanese knives with a finer edge.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eNot sure?\u003c\/strong\u003e Use 20°.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eStrong neodymium magnets:\u003c\/strong\u003e hold the blade steady while you roll.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:28px;align-items:center;margin:0 0 32px;\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0918\/2183\/4610\/files\/0d851dd9-117f-4a6a-9997-d8e8089cd42a_189504ec-1846-4878-8dd0-e4947083a571.png?v=1794446593\" alt=\"Different kitchen knives: paring, utility, chef's and Japanese knife\" style=\"width:100%;height:auto;border-radius:16px;display:block;\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;\"\u003eWorks on your knives\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:24px;\"\u003eFor almost every straight-edge knife\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eChef's knives, santoku, paring knives, cleavers, filleting, hunting and pocket knives: if the edge is straight, you can sharpen it.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eIt is not made for serrated bread knives or scissors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 32px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;text-align:center;\"\u003eWhy a rolling sharpener\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 16px;font-size:24px;text-align:center;\"\u003eRolling sharpener vs the usual alternatives\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#fff;border-radius:12px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px 8px;text-align:center;font-size:14px;\"\u003e\u003c\/th\u003e\n\u003cth style=\"padding:10px 8px;text-align:center;font-size:14px;background:#2f6fed;color:#fff;\"\u003eThis rolling sharpener\u003c\/th\u003e\n\u003cth style=\"padding:10px 8px;text-align:center;font-size:14px;\"\u003ePull-through sharpener\u003c\/th\u003e\n\u003cth style=\"padding:10px 8px;text-align:center;font-size:14px;\"\u003eCheap knock-off roller\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:left;font-size:14px;\"\u003e15° and 20° angles\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003efixed angle only\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003eoften slips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:left;font-size:14px;\"\u003eDiamond sharpening disc\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003elow-quality stones\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003ecoating wears off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:left;font-size:14px;\"\u003eStrong magnets that hold the blade\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#c0392b;font-weight:700;\"\u003e✗\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003elose grip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:left;font-size:14px;\"\u003eEasy to use without practice\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003edifficult\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:left;font-size:14px;\"\u003eCompact, sits on the kitchen counter\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003ebulky\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:left;font-size:14px;\"\u003eGentle on good knives\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#1a9e55;font-weight:700;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#c0392b;font-weight:700;\"\u003e✗\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;border-top:1px solid #e5e7eb;text-align:center;font-size:14px;\"\u003e\u003cspan style=\"color:#c0392b;font-weight:700;\"\u003e✗\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f3f7ff;border-radius:18px;padding:32px 24px;margin:0 0 32px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:13px;letter-spacing:.14em;color:#2f6fed;font-weight:600;text-align:center;\"\u003eGood to know\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 20px;font-size:24px;text-align:center;\"\u003eUsing it well\u003c\/h3\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;\"\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;\"\u003e\u003cdiv style=\"padding:18px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eLight pressure\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eThe weight of your hand is enough. Pushing harder does not sharpen faster, it only wears the disc.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;\"\u003e\u003cdiv style=\"padding:18px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eLong-lasting disc\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eThe diamond disc lasts for 1,000+ knives in a home kitchen. Replacement discs simply click in.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;\"\u003e\u003cdiv style=\"padding:18px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eA gift that gets used\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eA popular present for Father's Day, Christmas and anyone who loves to cook.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:0 0 16px;font-size:22px;\"\u003eQuestions people ask\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eWill it work on my knives?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eYes, on any straight-edge knife: chef's, santoku, paring, cleaver, fillet, hunting and pocket knives. Not on serrated bread knives or scissors.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eWhich angle should I use?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e20° for Western and supermarket knives, 15° for Japanese knives. If you are unsure, choose 20°.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eHow much pressure do I need?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eVery little. Let the weight of your hand do the work.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eHow long does the diamond disc last?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eMore than 1,000 knives in a home kitchen. After that, a replacement disc clicks in.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eWill it scratch or damage my knife?\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eThe magnetic block holds the blade at a fixed angle, so the discs only touch the edge and grind it evenly.\u003c\/p\u003e\n\u003ch3 style=\"margin:16px 0 12px;font-size:22px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 24px;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharpening disc:\u003c\/strong\u003e diamond coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing disc:\u003c\/strong\u003e ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoller core:\u003c\/strong\u003e steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAngle block:\u003c\/strong\u003e magnetic, 15° and 20° sides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e straight-edge knives (not serrated knives or scissors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:0 0 12px;font-size:22px;\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e1 × rolling sharpener (diamond and ceramic disc)\u003c\/li\u003e\n\u003cli\u003e1 × magnetic angle block (15° \/ 20°)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"(-boxzora||","offers":[{"title":"Black","offer_id":62742785753458,"sku":"CLMUC3GQON","price":89.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2183\/4610\/files\/Shoot_1_-_1x1_-_GREY_BACKGROUND_db8dd2dd-f565-4331-bc04-0bbff537633e.png?v=1793917190","url":"https:\/\/boxzora.com\/products\/rolling-knife-sharpener-diamond-ceramic-discs-15-20-magnetic-block","provider":"boxzora","version":"1.0","type":"link"}