PERMA-GRIT CB280C CONTOUR SANDING BLOCK COARSE 280MM TUNGSTEN CARBIDE PERMAGRIT\""ADD TO BASKET \"" BUILD AN ORDER. PAY POST ONLY ONCE & FREE SHIPPING ON ORDERS OVER \u00A325.00\n\nPERMA-GRIT\u00AE 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. PERMAGRIT 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.\nContour Sanding Block: \n--CB280C 280mm Long. Coarse Grit. \n--Radius of Curve 32mm.\nSanding Block\n\nContour Block 30 mm Radius external face, 28 mm internal face  COARSE. Dims 280 x 47 x 52 mm approx. Tungsten carbide grit abrasive, tough and long lasting.\nIdeal for under cambers, grooves and fillets. r