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Hapstone Double-Sided CBN Start 8x3"
USD 139.00
GRIT
Hapstone USA
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Hapstone Start CBN Combination Double-sided CBN bench stone with two grit stages on a rigid steel base for precise manual sharpening. Abrasive Stable CBN cutting Cubic Boron Nitrid
e provides long-lasting and stable cutting performance across all types of steel while maintaining a clean and predictable sharpening feel. Construction Rigid steel core The steel base remains stable under pressure and keeps the working surface flat for consistent sharpening angles and precise edge geometry. Workflow Two grits, one stone The double-sided format allows quick transition between coarse and finer sharpening stages without changing stones during work. Surface Electroplated nickel layer The electroplated nickel binder distributes the abrasive evenly across the surface while keeping the stone responsive and efficient during sharpening. Hapstone Start CBN Combination works well with sharpening oil or soapy water depending on user preference and sharpening style. Grit combinations Option 1 150 grit (70 µm) + 220 grit (35 µm) Option 2 500 grit (25 µm) + 1000 grit (15 µm) Use Bench sharpening format The 8 × 3” format provides a stable sharpening platform suitable for kitchen knives, outdoor knives, and everyday edge maintenance. Specifications Stone size 8" × 3" (200 × 80 × 10 mm) Abrasive CBN (Cubic Boron Nitride) Binder Electroplating Base Steel Weight 2.6 lb (1200 g) Working with Oil, without lubricants Country of origin Ukraine Stone type Double-sided stone .r2-case-apple{color:#191919;line-height:1.5} .r2-case-apple *,.r2-case-apple *::before,.r2-case-apple *::after{box-sizing:border-box;font-family:inherit!important} .r2-case-apple img{display:block;width:100%;height:auto;border:0;border-radius:24px} .r2-case-apple section{margin:0 0 20px} /* HERO */ .r2-hero{text-align:center;padding:12px 0 4px} .r2-hero-copy{max-width:760px;margin:0 auto 18px} .r2-hero-media{max-width:620px;margin:0 auto} .r2-hero h1{ margin:0 0 12px; font-weight:700; letter-spacing:-0.02em; font-family:'Montserrat',sans-serif!important; color:inherit; } @media(min-width:575px){ body .r2-case-apple .r2-hero .r2-hero-copy h1.hero-text{ font-size:36px!important; line-height:50px!important; } } .r2-subtitle{ max-width:720px; margin:0 auto; font-size:19px; line-height:1.4; color:#6e6e73; } /* LABELS */ .r2-case-apple .r2-feature-card p.r2-card-label, .r2-case-apple .r2-split-copy p.r2-card-label, .r2-case-apple .r2-dark-copy p.r2-card-label{ font-size:12px!important; font-weight:700!important; letter-spacing:.06em!important; text-transform:uppercase; color:#6e6e73!important; font-family:'Montserrat',sans-serif!important; margin:0 0 8px; } .r2-card-label.light{ color:rgba(255,255,255,.72)!important } /* FEATURES */ .r2-feature-grid{ display:grid; gap:16px; } .r2-feature-grid-1{ grid-template-columns:1fr; } .r2-feature-grid-3{ grid-template-columns:repeat(3,1fr); } .r2-feature-card{ background:#f5f5f7; border-radius:24px; padding:24px; } .r2-feature-card h2, .r2-split-copy h2{ margin:0 0 8px; padding-bottom:0!important; font-size:26px; line-height:1.15; font-weight:700; letter-spacing:-0.02em; } .r2-split-copy h2{ font-size:28px; } .r2-feature-card p, .r2-split-copy p{ margin:0; font-size:16px; line-height:1.45; color:#373e48; } .r2-feature-card p + p, .r2-split-copy p + p{ margin-top:10px; } /* SPLIT */ .r2-split{ display:grid; grid-template-columns:1fr .9fr; gap:24px; align-items:center; background:#fbfbfd; border-radius:28px; padding:28px; } .r2-split-media{ max-width:420px; margin:0 auto; } /* DUO */ .r2-duo{ display:grid; grid-template-columns:.7fr 1fr; gap:16px; margin-bottom:20px; } /* PACKAGE */ .r2-package-card{ background:#f5f5f7!important; color:#191919; } .r2-package-list{ display:grid; gap:10px; } .r2-package-list div{ display:grid; grid-template-columns:72px 1fr; gap:12px; align-items:start; } .r2-package-list span{ font-size:14px; line-height:1.45; color:#6e6e73; } .r2-package-list b{ font-size:15px; line-height:1.45; font-weight:600; color:#191919; text-align:left; } .r2-grid-options{ margin-top:10px; } .r2-grid-options img{ width:100%; border-radius:18px; display:block; } /* TECH */ .r2-dark-card{ background:#191919; color:#fff; border-radius:28px; padding:28px; } .r2-dark-card-soft{ border-radius:32px; } .r2-dark-copy{ margin-bottom:18px; } .r2-spec-grid{ display:grid; gap:16px; } .r2-spec-grid-2{ grid-template-columns:repeat(2,1fr); } .r2-spec-item{ background:rgba(255,255,255,.06); border-radius:18px; padding:18px; } .r2-spec-lines{ display:flex; flex-direction:column; gap:8px; } .r2-spec-lines div{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; } .r2-spec-lines span{ font-size:13px; line-height:1.4; color:rgba(255,255,255,.75); white-space:nowrap; flex:0 0 auto; } .r2-spec-lines b{ font-size:14px; line-height:1.45; font-weight:600; color:#fff; text-align:right; flex:1 1 auto; min-width:0; word-break:break-word; overflow-wrap:anywhere; } /* MOBILE */ @media(max-width:989px){ .r2-feature-grid-3, .r2-split, .r2-duo, .r2-spec-grid-2{ grid-template-columns:1fr; } } @media(max-width:749px){ .r2-feature-card, .r2-split, .r2-dark-card{ padding:18px; } .r2-package-list div{ grid-template-columns:64px 1fr; } .r2-spec-lines div{ display:grid; grid-template-columns:1fr; gap:3px; align-items:start; } .r2-spec-lines span{ font-size:12px; line-height:1.35; white-space:normal; } .r2-spec-lines b{ font-size:14px; line-height:1.4; text-align:left; white-space:normal; word-break:break-word; overflow-wrap:anywhere; } .r2-subtitle{ font-size:17px; } }
