Hitachi D13VFR 9.0 Amp 1/2 in. EVS Variable-Speed Drill (Certified Refurbished) Electronic variable speed control trigger, designed for easy two-finger operation with a lock-on feature for continuous operation Max torque of 416.6 in-lbs, ideal for high torque applications Form fit palm grip, designed to comfortably fit in hand for improved control with minimal vibration Contractor-grade cast aluminum gear housing, adds durability and efficiently dissipates heat Double gear reduction, provides higher torque while reducing gear strain