Belgian Blue Whetstone Natural Belgian slate stone with high garnet content for finish sharpening on Hapstone knife sharpeners. Natural stone Belgian slate Belgian Blue Whetstone is a natural slate stone mined in the Ardennes mountains in Belgium. Abrasive action High garnet content During sharpening, garnet-rich slurry is released from the stone surface and becomes the active grinding compound. Steel range Universal sharpening BBW stones are universal and can be used to sharpen knives of any steel. How to use Use with water only Belgian Blue Whetstones should be used with water. Wet the surface before sharpening; there is no need to immerse the stone. Try to keep the slurry on the stone surface, as the released garnets increase the abrasive action during sharpening. Natural stone notes • BBW stones always have a natural color pattern. • The color pattern is not a defect. • BBW stones are naturally lapped to extra-fine grit. FAQ What grit does Belgian Blue Whetstone have? + Grit terminology is not directly applicable to natural sharpening stones. The behavior depends on density and lapping quality, but BBW is commonly estimated around #3000–#4000. Specifications Total size6" × 1" × 1/3" (160 × 25 × 9 mm) Working surface6" × 1" × 1/4" (150 × 25 × 6 mm) Weight3.5 oz (100 g) AbrasiveNatural Stone BlankAluminum blank Working withOil, water Country of originBelgium 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; } @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, .r2-case-apple .r2-accordion-copy p.r2-card-label{ margin:0 0 8px; font-size:12px!important; font-weight:700!important; letter-spacing:.06em!important; text-transform:uppercase; color:#6e6e73!important; font-family:'Montserrat',sans-serif!important; } .r2-card-label.light{color:rgba(255,255,255,.72)!important} .r2-feature-grid{display:grid;gap:16px} .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; font-size:26px; font-weight:700; padding-bottom:0!important; } .r2-split-copy h2{font-size:28px} .r2-feature-card p, .r2-split-copy p, .r2-accordion-copy p, .r2-accordion-content p{ margin:0; font-size:16px; line-height:1.45; color:#373e48; } .r2-feature-card p + p, .r2-split-copy p + p, .r2-accordion-content 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-accordion-card{ background:#f5f5f7; border-radius:28px; padding:24px; margin-bottom:20px; } .r2-accordion{margin-top:12px} .r2-accordion:first-of-type{margin-top:18px} .r2-accordion summary{ list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:14px; background:#191919; border-radius:18px; padding:16px 18px; font-family:'Montserrat',sans-serif!important; font-size:12px; line-height:1.3; font-weight:700; text-transform:uppercase; color:#f5f5f7!important; } .r2-accordion summary::-webkit-details-marker{display:none} .r2-accordion summary b{ width:24px; height:24px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:18px; line-height:1; font-weight:500; flex:0 0 auto; } .r2-accordion[open] summary b{transform:rotate(45deg)} .r2-accordion-content{ margin-top:14px; background:#fff; border-radius:18px; padding:18px; } .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; color:rgba(255,255,255,.75); } .r2-spec-lines b{ font-size:14px; color:#fff; text-align:right; } @media(max-width:989px){ .r2-feature-grid-3, .r2-split, .r2-spec-grid-2{ grid-template-columns:1fr; } } @media(max-width:749px){ .r2-feature-card, .r2-split, .r2-dark-card, .r2-accordion-card{ padding:18px; } .r2-accordion summary{ padding:14px 15px; } .r2-spec-lines div{ display:grid; grid-template-columns:1fr; gap:3px; } .r2-spec-lines b{ text-align:left; word-break:break-word; overflow-wrap:anywhere; } .r2-subtitle{font-size:17px} }
