The QEP 21 in. Manual Tile Cutter with 10 mm post style cutting wheel scores and snaps wall and floor tiles up to 21 in., 15 in. diagonally. The solid, chrome-plated steel rails offer smooth scoring, while the welded center breaker beam and level foam side pads provide clean cuts and level surface. This cutter also includes an adjustable rip guide designed to help make repetitive cuts in tile faster and easier. This ceramic and porcelain tile cutter is ideal for the profession tile installer.