DEWALT DC310K 28-Volt 6-1/2-Inch Lithium-Ion Cordless Circular Saw with NANO Technology 6-1/2-inch carbide tipped blade for cutting common materials at 90 degree and 45 degree 3,850 RPM for fast rip cuts and cross cuts 0-50 degree bevel capacity allows for aggressive bevel cuts for a multitude of applications High strength magnesium shoe and upper guard provides increased durability for long-term cut accuracy Fan-cooled motor with replaceable brushes for maximum power and durability DEWALT exclusive lithium-ion cells offer long battery life and durability: 2,000 recharges