Hapstone Start Diamond 4"

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Hapstone Start Diamond Stones Electroplated diamond stones for Hapstone sharpening systems, designed for rapid sharpening of all steels. Abrasive Diamond plate Hapstone Start Diamo nd stones are designed for use in Hapstone sharpening systems and are excellent for sharpening knives of all steels. Performance Rapid metal removal Electroplated diamond provides rapid metal removal. Construction Nickel diamond plate The diamond-bearing nickel plate is mounted to a high-quality aluminum blank with laser engraving. Available grits 80JIS 150JIS 220JIS 500JIS 1000JIS Format Mounted diamond plate The Hapstone Start Diamond sharpening stone consists of a 100 × 25 mm diamond plate, 2 mm thick, glued onto a 100 mm aluminum blank, 3 mm thick. The aluminum blank has beveled ends for a secure fit. How to use Use with water Hapstone Diamond Plates are recommended to be used with water as a lubricant for the best feedback. Clean or rinse after use, and store in a dry place between uses to prevent oxidation on the metal matrix. Diamond Plates are ferromagnetic and should not be used on magnet-based knife sharpeners. Refinishing Recommended finishing progression For pre-finish, use Hapstone 4000 semi-synthetic abrasive. For finish, use Hapstone suspension 9, 6, 3, and 1 µm. Specifications Working surface3.94” × 0.98” × 0.12” (100 × 25 × 3 mm) Plate size3.94” × 0.98” × 0.08” (100 × 25 × 2 mm) Blank size3.94” × 0.98” × 0.12” (100 × 25 × 3 mm) AbrasiveDiamond BinderElectroplated Available grits80, 150, 220, 500, 1000 JIS Working withOil, without lubricants Country of originUkraine Stone typeStone mounted on a 45° beveled blank .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} .r2-hero{text-align:center;padding:12px 0 4px} .r2-hero-copy{max-width:760px;margin:0 auto 18px} .r2-hero-media{max-width:520px;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; } .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} .r2-feature-grid{display:grid;gap:16px} .r2-feature-grid-2{grid-template-columns:repeat(2,1fr)} .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; } .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; } .r2-duo{ display:grid; grid-template-columns:.35fr 1fr; gap:16px; margin-bottom:20px; } .r2-package-card{ background:#f5f5f7!important; color:#191919; } .r2-package-list{ display:grid; gap:10px; } .r2-package-list div{ display:grid; grid-template-columns:auto auto; justify-content:center; gap:12px; align-items:center; } .r2-package-list b{ font-size:15px; line-height:1.45; font-weight:600; color:#191919; text-align:left; } .r2-package-list span{ font-size:14px; line-height:1.45; color:#6e6e73; } .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; } @media(max-width:989px){ .r2-feature-grid-3, .r2-feature-grid-2, .r2-duo, .r2-split, .r2-spec-grid-2{ grid-template-columns:1fr; } } @media(max-width:749px){ .r2-feature-card, .r2-split, .r2-dark-card{ padding:18px; } .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; } } Show more