Contains 33, 53, 67, 73 and 83mm tungsten carbide grit holesaws; 8mm pilot drill; universal arbor and half-round carbide grit file. Ideal for drilling through wall or floor tiles. Contains 33, 53, 67, 73 and 83mm tungsten carbide grit holesaws; 8mm pilot drill; universal arbor and half-round carbide grit file. Ideal for drilling through wall or floor tiles.