{"product_id":"boride-4-inch-cs-hd-stone-set","title":"Boride CS-HD 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\"\u003eBoride CS-HD Stone Set 4\"\u003c\/h1\u003e\n\u003cp class=\"r2-subtitle\"\u003eSilicon carbide sharpening stones for hard stainless and carbon steels, designed for efficient sharpening from coarse work to final grinding.\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\u003eSilicon carbide\u003c\/h2\u003e\n\u003cp\u003eBoride CS-HD stones are made from silicon carbide and are designed for sharpening hard steels from 47 to 63 HRC.\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 hard steels\u003c\/h2\u003e\n\u003cp\u003eThe CS-HD series is intended for solid stainless and carbon steels where efficient abrasive action is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-feature-card\"\u003e\n\u003cp class=\"r2-card-label\"\u003eUse\u003c\/p\u003e\n\u003ch2\u003eWater or dry\u003c\/h2\u003e\n\u003cp\u003eThe stones can be used dry, with water, or with a small amount of soap. Excessive pressure is not recommended.\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\"\u003eGrit range\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-package-list\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003c\/b\u003e\u003cspan\u003egrit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e220\u003c\/b\u003e\u003cspan\u003egrit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003c\/b\u003e\u003cspan\u003egrit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e600\u003c\/b\u003e\u003cspan\u003egrit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1200\u003c\/b\u003e\u003cspan\u003egrit\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\"\u003eProgression\u003c\/p\u003e\n\u003ch2\u003eFive-stone sharpening set\u003c\/h2\u003e\n\u003cp\u003eThe set includes 150, 220, 400, 600, and 1200 grit stones.\u003c\/p\u003e\n\u003cp\u003eThis progression covers all sharpening stages, from rough stock removal to final grinding.\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\"\u003ePerformance\u003c\/p\u003e\n\u003ch2\u003eEfficient sharpening with smooth progression\u003c\/h2\u003e\n\u003cp\u003eThe gradual grit reduction from stone to stone helps maintain efficient sharpening with minimal time spent between stages.\u003c\/p\u003e\n\u003cp\u003eFor softer steels, the CS-HD series may wear faster and load more quickly, so it is best used on harder stainless and carbon steels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r2-feature-card\"\u003e\n\u003cp class=\"r2-card-label\"\u003eCare\u003c\/p\u003e\n\u003cp\u003e• Clean under running water\u003c\/p\u003e\n\u003cp\u003e• Use a stiff soapy brush or toothbrush\u003c\/p\u003e\n\u003cp\u003e• Flatten with silicon carbide powder\u003c\/p\u003e\n\u003cp\u003e• Do not use excessive pressure\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"r2-feature-card\"\u003e\n\u003cp class=\"r2-card-label\"\u003eNatural production marks\u003c\/p\u003e\n\u003ch2\u003ePossible minor defects\u003c\/h2\u003e\n\u003cp\u003eBoride stones may have saw marks on the working surface or small chips at the corners and edges no larger than 1 mm.\u003c\/p\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\u003cspan\u003eStone size\u003c\/span\u003e\u003cb\u003e4.02” × 0.98” × 0.24” (102 × 25 × 6 mm)\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eAbrasive\u003c\/span\u003e\u003cb\u003eSilicon Carbide\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eBinder\u003c\/span\u003e\u003cb\u003eVitrified\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eBlank\u003c\/span\u003e\u003cb\u003eAluminum blank\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\u003eSet includes\u003c\/span\u003e\u003cb\u003e5 stones\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eWorking with\u003c\/span\u003e\u003cb\u003eWater\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eCountry of origin\u003c\/span\u003e\u003cb\u003eUSA\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@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.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 8px;\n}\n.r2-card-label.light{color:rgba(255,255,255,.72)!important}\n\n.r2-feature-grid{display:grid;gap:16px}\n.r2-feature-grid-2{grid-template-columns:repeat(2,1fr)}\n.r2-feature-grid-3{grid-template-columns:repeat(3,1fr)}\n\n.r2-feature-card{\n  background:#f5f5f7;\n  border-radius:24px;\n  padding:24px;\n}\n\n.r2-feature-card h2,\n.r2-split-copy h2{\n  margin:0 0 8px;\n  padding-bottom:0!important;\n  font-size:26px;\n  line-height:1.15;\n  font-weight:700;\n  letter-spacing:-0.02em;\n}\n\n.r2-split-copy h2{font-size:28px}\n\n.r2-feature-card p,\n.r2-split-copy p{\n  margin:0;\n  font-size:16px;\n  line-height:1.45;\n  color:#373e48;\n}\n\n.r2-feature-card p + p,\n.r2-split-copy p + p{\n  margin-top:10px;\n}\n\n.r2-split{\n  display:grid;\n  grid-template-columns:1fr .9fr;\n  gap:24px;\n  align-items:center;\n  background:#fbfbfd;\n  border-radius:28px;\n  padding:28px;\n}\n\n\/* GRIT DUO *\/\n.r2-duo{\n  display:grid;\n  grid-template-columns:.2fr 1fr;\n  gap:16px;\n  margin-bottom:20px;\n}\n\n.r2-package-card{\n  background:#f5f5f7!important;\n  color:#191919;\n}\n\n.r2-package-list{\n  display:grid;\n  gap:10px;\n}\n\n.r2-package-list div{\n  display:grid;\n  grid-template-columns:auto auto;\n  justify-content:center;\n  gap:12px;\n  align-items:center;\n}\n\n.r2-package-list b{\n  font-size:15px;\n  line-height:1.45;\n  font-weight:600;\n  color:#191919;\n  text-align:left;\n}\n\n.r2-package-list span{\n  font-size:14px;\n  line-height:1.45;\n  color:#6e6e73;\n}\n\n\/* TECH *\/\n.r2-dark-card{\n  background:#191919;\n  color:#fff;\n  border-radius:28px;\n  padding:28px;\n}\n\n.r2-dark-card-soft{border-radius:32px}\n.r2-dark-copy{margin-bottom:18px}\n.r2-spec-grid{display:grid;gap:16px}\n.r2-spec-grid-2{grid-template-columns:repeat(2,1fr)}\n\n.r2-spec-item{\n  background:rgba(255,255,255,.06);\n  border-radius:18px;\n  padding:18px;\n}\n\n.r2-spec-lines{\n  display:flex;\n  flex-direction:column;\n  gap:8px;\n}\n\n.r2-spec-lines div{\n  display:flex;\n  justify-content:space-between;\n  align-items:flex-start;\n  gap:12px;\n}\n\n.r2-spec-lines span{\n  font-size:13px;\n  line-height:1.4;\n  color:rgba(255,255,255,.75);\n  white-space:nowrap;\n  flex:0 0 auto;\n}\n\n.r2-spec-lines b{\n  font-size:14px;\n  line-height:1.45;\n  font-weight:600;\n  color:#fff;\n  text-align:right;\n  flex:1 1 auto;\n  min-width:0;\n  word-break:break-word;\n  overflow-wrap:anywhere;\n}\n\n@media(max-width:989px){\n  .r2-feature-grid-3,\n  .r2-feature-grid-2,\n  .r2-duo,\n  .r2-split,\n  .r2-spec-grid-2{\n    grid-template-columns:1fr;\n  }\n}\n\n@media(max-width:749px){\n  .r2-feature-card,\n  .r2-split,\n  .r2-dark-card{\n    padding:18px;\n  }\n\n  .r2-spec-lines 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":"Boride","offers":[{"title":"Default Title","offer_id":67768334352699,"sku":"SET-BORIDE-5-CSHD-S4","price":89.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/1390\/9563\/files\/AsD5jYEUGMdexWGaFLUXxZHEYz8QXsyN.jpg?v=1792623090","url":"https:\/\/www.hapstone-usa.com\/products\/boride-4-inch-cs-hd-stone-set","provider":"Hapstone USA","version":"1.0","type":"link"}