Keyless lever-action blade clamp for quick and easy blade changes * 1-inch stroke length;-2,700 spm with electric brake for improved control and versatility in different materials and applications * All-metal keyless shoe bevel with detents at degree, 15 degree, 30 degree and 45 degree provides versatility for easy bevel cutting * 4-position orbital action provides control of aggressiveness of cut and speed * Adjustable dust blower keeps line of cut clear of chips DEWALT exclusive lithium-ion cells offer long battery life and durability: 2,000 recharges