Self lubricating for maximum wear resistance, no oiling required. With all ball and bearing construction for durable operation, dynamically balanced and ball bearing mounted armature. High torque worm gear and chain drive mechanism. Center of gravity is directly over blade; reducing operator fatigue. Saw has open line of sight and a blade tightening lever for quick blade changes. Specs: 2 speeds; no load 250 and 350 surface feet per minute. 120 volts ac/dc. 6 amps at 350 sfm and 5 amp at 250 sfm., length19-3/4 in , weighs 17-1/2 in Workpiece capacity is 4-3/4 in round stock, 4-3/4 in x 4-3/4 in rectangular stock. Includes: saw and steel carrying case. Rental.