Tungsten carbide tips for longer lifeThin kerf design for more efficient cutsExpansion slot for longer lasting blade due to cooler cuttingFor cutting of Aluminum, Copper, Lead, Zinc, TinNon Ferrous MetalSize: 10", 25.4cm100 Tungsten carbide teethsMax RPM: 5500 RPMInner hole diameter: 1", 2.54cm