PORTER-CABLE PCC641LB 20V MAX Lithium Ion Hex Head Compact Impact Driver Kit High torque motor that delivers 1,450 in/lbs of torque High performance motor (0-2,800 RPM, 0-3,100 BPM) for quick fastening applications Compact (6.9" long) and light weight (3.3lbs) Quick release 1/4" hex head chuck for easy one-handed bit changes Includes (2) PCC681 20v Lithium Ion Batteries