Mechanically controlled 2-speed to match RPM/torque to application requirement. 100\% ball-bearing construction provides durability and longer tool life. Adjustable front handle and 2-position side handle provide maximum leverage and control. Mechanical-slip clutch in low gear to prevent bit lock-up and to provide control of reactionary torque. Triple gear reduction provides increased torque and reduces gear stress. 21" overall length. No load speed 300/1200RPM. Capacity in wood (spade bit) 1-1/2". Capacity in wood (self-feed) 4-5/8". Capacity in wood (hole saw) 6"/ Capacity in wood (auger bit) 1-1/2". Capacity in steel (twist bit) 1/2". Capacity in steel (hole saw) 5". Tool weight: 13.5 lb. Includes: Chuck key with holder, 2-position side handle, bail handle heavy-duty kit box. 8.0A.