Ingersoll-Rand 232TGSL 1/2-Inch Super-Duty Air Impact Wrench Thunder Gun Technical Details - Distinctive appearance, similar to IR ThunderGun racing tool - Adjustable power regulator - The Ingersoll-Rand fastest 1/2-inch impact wrench available - 625-feet-per-pound of maximum reverse torque; 550-feet-per-pound of forward torque - Weighs 6-pounds http://www.bestbuyking.co.cc/Buy-Ingersoll_Rand_232TGSL_1_2_Inch_Super_Duty_Air_Impact_Wrench_Thunder_Gun-B000E21CZ6.html