3" knotted cup brush. Use on angle grinder for fast removal of heavy rust corrosion and spatter. Use to clean weld beads, angle weld, and corners in tight places. For roughening, deburring, and surface cleaning prior to welding. 3" knotted cup brush. Direct spindle mount on angle grinder. For fast removal of heavy rust, corrosion, weld scale, and spatter. Ideal for tight operations, corners, and angle welds. Wire size: .020. Maximum speed 14,000 RPM. 3" diameter speed 14,000 RPM, .014 wire size, arbor hole: 5/8"-11 No. DW4915: 3" diameter, maximum speed 14,000 RPM, .014, arbor hole: M10 x 1.25 No. DW4916: 4" diameter, maximum speed 9000 RPM, .023 wire size, arbor hole: 5/8"-11, Available Only At Waco. No. DW4917: 6" diameter, maximum speed 6600 RPM, .023 wire size, arbor hole: 5/8"-11, Available Only At Waco. ---- 1. 海外直輸入品となりますので、新品であっても、パッケージに多少のダメージがある場合もございますが、商品本体には問題ございませんのでご安心ください。2. 日本国内でのメーカーによる製品保証等は適用されません。3. パッケージや、説明書等は、英語表記となります。