Contouring Block 28mm Radius internal face, 30mm external face. EXTRA COARSE. Dims. 140 x 47 x 52mm approx. Tungsten carbide grit abrasive, tough and long lasting. Popular with stone Masons, roughing out block.
Ideal for under cambers, grooves and fillets, rounding edges, corners.
EXTRA COARSE grit approx. equivalent to UK 120 / US 46 sandpaper.
Perma-Grit® Tools will cut:- All Woods, Glass Fibre, Carbon Fibre, Kevlar, Plexiglas, Lexan, Perspex, Acrylics, Plastics, Polystyrene, Brass, Copper, Aluminium, Ceramics, Stone, Horn, Antler etc.