FeaturesPowerful 7 A motor delivers trigger speed control in two ranges such as 0 to 335/0 to 750 rpm plus reverseHeavy duty 1/2 in keyed chuck with holder provides an industrial hold during drilling and fasteningTorque offers 1/2 in capacity in steelHandles up to a 4-5/8 in self-feed bitHead and handle swivel 360 deg providing unrestricted accessMetal capacity of 1/2 in twist bitQuadruple gear trainGrounded construction