Shapton Rockstar Sharpening Stones RockStar Series sharpening stones from Shapton with strong cutting performance, fine finish quality, and no pre-soaking required. Performance Strong aggression RockStar Series stones provide excellent aggression during sharpening and are capable of handling hard knives up to 65 HRC. Finish Fine and even result The stones provide a fine, even finish while maintaining stable sharpening performance during work. Use No pre-soaking RockStar stones are ready to use without pre-soaking and provide a durable surface for consistent results. Working with Use dry or with a little water The stone can be used without water, but adding a little water is recommended for smoother and finer work. Adding oil while working on the stones is not recommended. Each stone is individual, and not all stones have a visible pattern on the surface. Specifications Stone size6.06” × 0.87” × 0.2” (154 × 22 × 5 mm) Blank size6.3” × 0.9” × 0.12” (160 × 23 × 3 mm) Total thickness0.31” (8 mm) AbrasiveAluminum Oxide BinderVitrified Fine gritsNanoceramic for 10000 and 16000 Working withWater Country of originJapan 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{ 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-grid-2{grid-template-columns:repeat(2,1fr)} .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{ 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-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-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} }