Flat hand file, fine. Dims. 230 x 38mm thick 1.55mm. Useful to get into narrow places where the sanding block is unable to fit. Use to clean up slots, cut outs in former’s and general sanding.
They may not be perfectly flat, they don’t need to be, use the Perma-Grit sanding blocks which are.
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.