The Rubi viper 5" blade is a turbo-mesh blade for cutting hard materials such as granite, rustic tiles, clinker, refractory, slate and porcelain tile. The specific design of the diamond band offers greater speed of cutting harder materials without sacrificing finish quality. Thicker center to avoid vibrations and wobbling. Virtually eliminates heat caused by friction with fast cutting and minimal chipping 1" arbor. 10mm (3/8") diamond rim. Wet cutting. Not recommended for circular or grinding cuts.