MARSHALLTOWN 24in (610mm) Tile Cutters are great tiling tools for pros and DIYers. It can cut ceramic; porcelain; and mosaic tile up to 24in (610 mm) long and ½in (12 mm) thick. This tool features a two-rod rail system that allows smooth operation; a 7/8in (22 mm) tungsten carbide scoring wheel; and it includes a small breaker foot that is engineered to make cutting mosaic tiles even easier. As a bonus; each 24in Tile Cutter comes with a spare scoring wheel for double the amount of tile cutting.