The MARSHALLTOWN Pro Tile Cutter is a versatile professional-grade Tile Cutter for ceramic; porcelain; and mosaic tile up to 24-¾in (630 mm) long. Its titanium-coated tungsten carbide scoring wheel is height adjustable so you can cut tile up to 5/8in (16 mm) thick. This professional tiling tool also has a rigid steel monorail sliding system and a Protractor Gauge so you can make more precise angled or straight cuts; even when scoring hard porcelain.