Diamond particle coated holesaws, high quality industrial diamond, for\nuse even on the hardest tiles, unitary body construction, accurate, highly\nconcentric, 5 to 35 mm for wallplug holes, water pipes, waste pipes\nand 45 to 82 mm for waste pipes, electrical boxes and sockets, for porcelain,\ngranite worktops, tiles, quarry tiles, ceramics, natural stone slabs,\nmarble.