Master Mechanic, 12V Li-Ion Impact Driver, Variable Speed 0-2200 RPM/0-3000 Bpm, 796 INLB Torque, 1/4" Quick Release Hex Drive, Auto Spindle Lock Shaft, Cast Aluminum Gear Head, LED Work Light, Rubber Overmold Grip, Includes: (2) 12V 1.5Ah Lithium Ion Battery Packs, Smart Charger & Nylon Tote Bag, For Replacement Battery Use TV #138-809 & Charger TV #138-808.