Amazon.com: Ingersoll Rand W7150-K1 ½” Hi-Torque Impact One Battery Kit: Home Improvement
Ingersoll Rand 212 3/8-Inch Super Duty Air Impact Wrench - Power Impact Wrenches - Amazon.com
Industrial Hand Tools SUNTECH SM-43-4017G Air Impact Wrench with Handle Exhaust & Twin Hammer 1/2 Red/Black Wrenches
1/2" Air Impact Wrench (Twin-Hammer) - - Amazon.com
1/2 inch 18 Volt Cordless Impact Wrench with Built-in LED Light and Variable Speed; Comes with 18 Volt NiCd Battery and one hour Quick Charger by Chicago Pneumatic - Power Impact Wrenches - Amazon.com