Perma-Grit® Tools design, manufacture and supply Tungsten Carbide grit abrasive tools, for the High Performance Car, Boat, Aircraft, Prototype design, Hobby, DIY and Home improvement market. Our tools are renowned for their longevity and ability to work modern composite materials - Carbon Fibre, Kevlar, Glass Fibre, Perspex, Plexiglas, PCB, Lexan, Acrylics, Plastics and Polystyrene. Also, more conventional materials - Woods, Ceramics, Stone, Marble, Glass and Metal.