The Mac Tools Data Torq Heavy-Duty, a battery-powered, computer-controlled air tool helps technicians ensure wheel lugs are tightened evenly and to the correct torque level. The Data Torq helps improve productivity by elimitating the need for hand torquing, torque sticks and click wrenches. All tightening, snug and final torque, can be performed while the vehicle is still in the air. It automatically documents the process completed and provides proof of work with the integrated printer and optional integrated networking. This tool offers a working torque range from 450 to 1,100 ft/lbs, offers 4,500 rpms, is 19-1/8" long and weighs 26 lbs.