Naniwa Rust Eraser (Gray)

Hapstone USA Verified independent store

→

Naniwa Rust Eraser (Gray) A coarse abrasive block designed for effective removal of visible and aged surface rust from knives and carbon-steel tools. Construction Flexible abrasive block This flexible PVC-based block with aluminum oxide abrasive works like an “eraser” — removing corrosion from metal without damaging its structure. Result Fast preparation Thanks to its high abrasive power, the Gray Rust Eraser is suitable for cleaning stubborn rust spots, oxidation marks, and heavy tarnish. It quickly prepares the tool for further work such as sharpening, grinding, or polishing. Suitable for Everyday restoration Removing heavy, coarse, or aged surface rust from knives and carbon-steel tools. Cleaning metal before sharpening — preparation for grinding or honing. Removing tarnish, dark spots, and corrosion buildup. Simple process How to Use If needed, slightly moisten the surface with water or oil. Clean the metal with light straight or circular motions until rust is removed. After use, rinse and dry the tool thoroughly; apply protective oil if necessary. Specifications Size2.0×1.6×0.8" (50×40×20 mm) Weight77g Abrasive rating100 grit (Coarse) MaterialFlexible PVC block with aluminum oxide abrasive Use conditionsCan be used dry, or with a small amount of water or oil Country of originJapan .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: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; } /* 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{ margin:0 0 8px; font-size:12px!important; line-height:1.2!important; font-weight:700!important; letter-spacing:.06em!important; text-transform:uppercase; color:#6e6e73!important; font-family:'Montserrat',sans-serif!important; } .r2-case-apple .r2-card-label.light{ color:rgba(255,255,255,.72)!important; } /* FEATURES */ .r2-feature-grid{display:grid;gap:16px} .r2-feature-grid-3{grid-template-columns:repeat(2,1fr)} .r2-feature-card{ background:#f5f5f7; border-radius:24px; padding:24px; } .r2-feature-thumb{ width:100%; margin-bottom:14px; } .r2-feature-thumb img{ width:100%; border-radius:14px; } .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; } /* LIST */ .r2-inline-list-spaced{ display:flex; flex-direction:column; gap:8px; margin-top:12px; } .r2-inline-list-spaced p{ margin:0; } /* 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-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; white-space:normal; } .r2-spec-lines b{ text-align:left; white-space:normal; word-break:break-word; overflow-wrap:anywhere; } .r2-subtitle{ font-size:17px; } } Show more