With a great power-to-weight ratio, the 2100G makes it comfortable to get the job done. Delivering 550 ft-lb of maximum reverse torque and weighing only 4.3 pounds, this tool has what it takes to handle the toughest jobs. This powerful, lightweight Ingersoll Rand composite air Impact Wrench delivers high torque through a sophisticated power management system. Applications for the 2100G include: tire changing, engine repair, engine component installation and removal, body work installation and removal, farm implement assembly and repair. General equipment, auto repair & maintenance, boat repair, and truck repair.