This 100 Piece Rotary Power Tool accessory Kit will fit rotary drills with a 3mm collet and is ideal for the hobby enthusiast.Kit Includes ?Silicone carbide grinding stones?Cutting discs?Cut-off wheels?Carving / shaping / engraving tools?Grinding / sharpening tools?Polishing / buffing / cleaning wheels?Drum sander?Dressing stone?Wire brushes