For TX Rubi tile cutters, In the 5/16 in. plus scoring wheel, the professional ceramic tile setter will find a good partner for the toughest jobs. Manufactured in highly resistant and durable tungsten carbide. 5/16 in. plus scoring wheel by Rubi allows for cuts without chipping the enamel or deviations. For porcelain, wall and floor tiles. Easy to use and replace, The incision of the roller guide on the 5/16 in. plus scoring wheel is clean and shallow. Straight and clean cuts, great resistance and precision, Blade Thickness (in.) - 0.125, Product Weight (lb.) - 0.1 lb, Material - Tungsten, Product Width (in.) - 0.31 in, Blade Material - Steel, Dry/wet use - Dry