Perma-Grit Australia and RCWorld is the first choice of abrasive tool for professionals and modellers worldwide Perma-Grit design and manufacture Tungsten Carbide grit abrasive tools for the Performance Car, Boat and Aircraft market.Renowned for their longevity and ability to work modern composite materials like Carbon Fibre Kevlar Glass Fibre Perspex Plexiglas Lexan Acrylics Plastics Polystyrenes and more conventional materials such as Woods Ceramics Stone Marble Glass and Metal.Designed and used by Hobby and Prototype Model builders and high performance Aircraft Boat and Formula 1 Racing Car manufacturers around the world All used Perma-Grit Tools For nearly 20 years. PERMA-GRIT NEEDLE FILES Extremely versatile tools, popular for detailed work. APPLICATIONS These files cut in any direction and do not clog easily. They also cut quickly, leaving an excellent finish. Available in two different sizes. ABOUT Perma-Grit design and manufacture Tungsten Carbide grit abrasive tools for the Performance Car, Boat and Aircraft market.