QLT by Marshalltown Big Clinker Tile Cutter JP570XEThe QLT by Marshalltown Big Clinker Tile Cutter features a four position scoring height adjustment knob to allow scoring and cutting of tile up to 3 4". The titanium scoring wheel and breaker bar of these cutters ride smoothly over the extra large 51 64" diameter chrome plated rails. Has a 20" straight cut length and a 16" diagonal cut length. Designed with a heavy duty breaker bar with a plastic bottom pad to prevent tile marking.