{"product_id":"hapstone-start-cbn-4-inch-stone-set","title":"Hapstone Start CBN stones set 4\"","description":"\u003cdiv class=\"r2-case-apple\"\u003e\n\u003csection class=\"r2-hero\"\u003e\n\u003cdiv class=\"r2-hero-copy\"\u003e\n\u003ch1 class=\"hero-text\"\u003eHapstone Start CBN Stone Set 4\"\u003c\/h1\u003e\n\u003cp class=\"r2-subtitle\"\u003eElectroplated CBN stones for Hapstone sharpening systems, designed for fast sharpening of all steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"r2-feature-grid r2-feature-grid-3\"\u003e\n\u003cdiv class=\"r2-feature-card\"\u003e\n\u003cp class=\"r2-card-label\"\u003eAbrasive\u003c\/p\u003e\n\u003ch2\u003eCBN abrasive\u003c\/h2\u003e\n\u003cp\u003eHigh quality CBN abrasive provides fast and aggressive metal removal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-feature-card\"\u003e\n\u003cp class=\"r2-card-label\"\u003eDistribution\u003c\/p\u003e\n\u003ch2\u003eUniform abrasive layer\u003c\/h2\u003e\n\u003cp\u003eUniform abrasive distribution ensures efficient and even sharpening across the entire surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-feature-card\"\u003e\n\u003cp class=\"r2-card-label\"\u003eSteel range\u003c\/p\u003e\n\u003ch2\u003eFor all steels\u003c\/h2\u003e\n\u003cp\u003eHapstone Start CBN stones are suitable for sharpening knives in all steels, from the softest to the hardest.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"r2-split\"\u003e\n\u003cdiv class=\"r2-split-copy\"\u003e\n\u003cp class=\"r2-card-label\"\u003eUse\u003c\/p\u003e\n\u003ch2\u003eFast, versatile, easy to use\u003c\/h2\u003e\n\u003cp\u003eHapstone Start CBN stones sharpen knives quickly and are suitable for all types of steel.\u003c\/p\u003e\n\u003cp\u003eThe set is easy to use and works well for both beginners and professionals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"r2-duo\"\u003e\n\u003cdiv class=\"r2-dark-card r2-dark-card-soft r2-package-card\"\u003e\n\u003cdiv class=\"r2-dark-copy\"\u003e\n\u003cp class=\"r2-card-label\"\u003eEquipment\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-package-list\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e80\u003c\/b\u003e\u003cspan\u003eJIS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003c\/b\u003e\u003cspan\u003eJIS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e220\u003c\/b\u003e\u003cspan\u003eJIS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e500\u003c\/b\u003e\u003cspan\u003eJIS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1000\u003c\/b\u003e\u003cspan\u003eJIS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-feature-card\"\u003e\n\u003cp class=\"r2-card-label\"\u003eStart Series\u003c\/p\u003e\n\u003ch2\u003eFive CBN stones\u003c\/h2\u003e\n\u003cp\u003eThe set includes Hapstone Start Series CBN stones in 80, 150, 220, 500, and 1000 JIS.\u003c\/p\u003e\n\u003cp\u003eThe electroplated bonding provides fast sharpening and aggressive stock removal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"r2-split\"\u003e\n\u003cdiv class=\"r2-split-copy\"\u003e\n\u003cp class=\"r2-card-label\"\u003eFinishing\u003c\/p\u003e\n\u003ch2\u003eRecommended finishing progression\u003c\/h2\u003e\n\u003cp\u003eFor finishing, use Hapstone Silicon Carbide stones 1000\/2500.\u003c\/p\u003e\n\u003cp\u003eFor the pre-finish stage, use Hapstone 4000 semi-synthetic abrasive.\u003c\/p\u003e\n\u003cp\u003eAt the finishing stage, use Hapstone 9, 6, 3, and 1 µm diamond suspension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-split-media\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"r2-dark-card r2-dark-card-soft\"\u003e\n\u003cdiv class=\"r2-dark-copy\"\u003e\n\u003cp class=\"r2-card-label light\"\u003eSpecifications\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-spec-grid r2-spec-grid-2\"\u003e\n\u003cdiv class=\"r2-spec-item\"\u003e\n\u003cdiv class=\"r2-spec-lines\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eStone size\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003e4.02” × 0.98” × 0.24” (102 × 25 × 6 mm)\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eWorking layer\u003c\/span\u003e \u003cb\u003e0.12\" (3 mm)\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eAbrasive\u003c\/span\u003e\u003cb\u003eCBN\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eBinder\u003c\/span\u003e\u003cb\u003eElectroplating\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-spec-item\"\u003e\n\u003cdiv class=\"r2-spec-lines\"\u003e\n\u003cdiv\u003e\n\u003cspan\u003eAvailable grits\u003c\/span\u003e\u003cb\u003e80, 150, 220, 500, 1000 JIS\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eWorking with\u003c\/span\u003e\u003cb\u003eOil, without lubricants\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eCountry of origin\u003c\/span\u003e\u003cb\u003eUkraine\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eStone type\u003c\/span\u003e\u003cb\u003eStone mounted on a 45° beveled blank\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.r2-case-apple{color:#191919;line-height:1.5}\n.r2-case-apple *,.r2-case-apple *::before,.r2-case-apple *::after{box-sizing:border-box;font-family:inherit!important}\n.r2-case-apple img{display:block;width:100%;height:auto;border:0;border-radius:24px}\n.r2-case-apple section{margin:0 0 20px}\n\n.r2-hero{text-align:center;padding:12px 0 4px}\n.r2-hero-copy{max-width:760px;margin:0 auto 18px}\n.r2-hero-media{max-width:520px;margin:0 auto}\n.r2-hero h1{\n  margin:0 0 12px;\n  font-weight:700;\n  letter-spacing:-0.02em;\n  font-family:'Montserrat',sans-serif!important;\n  color:inherit;\n}\n\n@media(min-width:575px){\n  body .r2-case-apple .r2-hero .r2-hero-copy h1.hero-text{\n    font-size:36px!important;\n    line-height:50px!important;\n  }\n}\n\n.r2-subtitle{\n  max-width:720px;\n  margin:0 auto;\n  font-size:19px;\n  line-height:1.4;\n  color:#6e6e73;\n}\n\n.r2-case-apple .r2-feature-card p.r2-card-label,\n.r2-case-apple .r2-split-copy p.r2-card-label,\n.r2-case-apple .r2-dark-copy p.r2-card-label{\n  font-size:12px!important;\n  font-weight:700!important;\n  letter-spacing:.06em!important;\n  text-transform:uppercase;\n  color:#6e6e73!important;\n  font-family:'Montserrat',sans-serif!important;\n  margin:0 0 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div{\n    display:grid;\n    grid-template-columns:1fr;\n    gap:3px;\n    align-items:start;\n  }\n\n  .r2-spec-lines span{\n    font-size:12px;\n    line-height:1.35;\n    white-space:normal;\n  }\n\n  .r2-spec-lines b{\n    font-size:14px;\n    line-height:1.4;\n    text-align:left;\n    white-space:normal;\n    word-break:break-word;\n    overflow-wrap:anywhere;\n  }\n\n  .r2-subtitle{\n    font-size:17px;\n  }\n}\n\u003c\/style\u003e","brand":"Hapstone","offers":[{"title":"Default Title","offer_id":67780229824827,"sku":"SET- START-CBN-S4","price":155.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/1390\/9563\/files\/YuFG9PQylNpaKt0FPxhFvfwZQZHvgFmL.jpg?v=1792706629","url":"https:\/\/www.hapstone-usa.com\/products\/hapstone-start-cbn-4-inch-stone-set","provider":"Hapstone USA","version":"1.0","type":"link"}