Free Shipping from Contractors Store. 7" Hand Tool 25 grit. 7” Diamabrush Removal Tool. Estimated Blade Life up 3000 Sq Ft. The Diamabrush Hand Tools removes mastics,glue, adhesives,epoxies,thin-set, paint many other gummy coatings. The Diamabrush hand tools are designed for use by both professionals do-it-yourselfers that require fast, effective surface preparation or coating removal. The patented design enables users to easily remove coatings without loading up or clogging the abrasive. The result is a perfectly profiled surface achieved in less than half the time of competitive abrasive tools-saving cost time for the end-user. Key Features Include: Removes paint, coatings, mastic adhesives up to 10x faster than competitive products - CHEMICAL FREE! Preps concrete floors walls, block, wood,metal other surfaces to a ready-to-coat profile - No Ridge Marks! Patented design prevents the tool from loading up or clogging. The hand tools remove coatings profiles the concrete surface in one easy step. Ideal for areas close to walls corners where a rider or swing machine can't reach. Easy to use on all brands of existing 4.5" 7" hand grinders with 5/8 - 11" thread. Money-saving replaceable blades. Videos http://youtu.be/CVtvrTtOhQg http://youtu.be/LZpPIw3SQlA