7 Piece Rotary Kit (Coarse)Perma-Grit rotary tool kits come supplied in a high quality box with a pre-cut foam insert. Each tool has a 3.1mm (1/8") arbor and is designed to fit a DREMEL or similar hobby rotary tools. These tools have been designed to cut or grind a wide range of materials in any direction without chipping. Typical materials include wood, plastic, foams, composite and fibreglass.
