FeaturesPowerful 13 A motor delivers 450 to 1750 rpm with a clutch in low gearReinforced nylon resin casing provides durability and less weight than metal with greater heat dissipation and resistance to chemicalsRoto-Lok® handle features 90 deg left-right rotations for maximum comfort in all applicationsCapacity in wood 6 in hole saw and metal capacity of 1/2 in twist bitSpindle size of 5/8-16Triple gear trainGrounded construction