Octagonal forged steel shaft guarantees maximum rigidity and sturdiness for straight and precise scoring.High-quality 5/16" tungsten carbide blade with Titanium coating: lasts up to 20% longer than without coating.Compatible with all of our tile cutters as well as competitors’ thanks to a unique adapter developed by our team of engineers.For cutting smooth to textured surface ceramic and porcelain tiles. Can be used for cutting mosaic glass.