Sunex SXMC12, 1/2" Mini Air Impact Wrench with Grip, Super Duty Compact Design, Lightweight, 500'. Lbs. max Torque, One Hand Operation, Forward/Reverse, 3-Speed Control - Amazon.com
1/2" Drive Super Duty Mini Impact Wrench - SUNEX Tools
1/2" Drive Super Duty Mini Impact Wrench - SUNEX Tools