Specification?? Suitable For: Metals, Fiber Glass, Stone & Wood. Diameter: 3″ Attachment Type: Type R - Male Roll On Attachment Thickness: Regular Grit: Blue Abrasive: Silicon Carbide (Coarse) Use On: Die Grinder (Needs Standard 3" Female Roll-On Disc Pad Holder) Max Operating Speed: 7,000 RPM Feature: 3" Quick Change Strip and Clean discs grind down weld splatter, strip paint, remove glue and clean metals with ease. Each 3 inch disc is manufactured with extra coarse, super strong, blue nylon webbing attached to a quick change, type-R fastening system. .
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