80 in-lbs of maximum torque output provides for a superior power to weight ratio in a variety of fastening applicationsAdjustable two-position handle allows for operation as both in-line and pistol-gripVariable speed and reversing trigger switch provides 0-500 rpm for fastening and pre-drilling into wood, plastic, and light-gauge metalIndustrial quick-release hex-shank chuck allows for quick screwdriver bit change and prevents bit run out Electric brake provides increased productivity7.2V battery pack allows for longer run-time and charges in one hour Heavy-duty metal hinge provides secure and sustained two-position lock.