The Rolls Royce of cutting tools! The Starrett is a precision instrument originally designed for machinists that has been adopted by mosaic artists everywhere. It's ability to cut through the hardest materials (porcelain, stoneware) with ease is unmatched due to its uniquely engineered design. The jaws are adjustable to accommodate a variety of materials. Use for cutting glass (tile, smalti), marble, tile (porcelain, ceramic, stoneware). Despite it's power this tool is small and lightweight!