The Rubi Practic 21 in. Manual Tile Cutter is an excellent value manual cutter ideal for to do-it-yourself tile installers. It is designed to cut up to 21 in. tiles, 15 in. on a diagonal. It is durable, lightweight and easy to use. The incorporated multiple point breaking system allows powerful breaking strength at any angle. It also includes 8mm (5/16 in.) scoring wheel adaptable to all machines.