Ingersoll Rand W5130-K12 Impact Wrench Kit Battery Included 20 V 2-1/2 Ah 3/8 Inch Drive: Cordless Impact Drivers & Impact Wrenches (663024011850-1)
Amazon.com: Performance Tool W50080 1/2-Inch Drive and 110-volt Impact Wrench : Tools & Home Improvement
File:Large-vs-Small-Ingersoll-Rand-Impacts.jpg - Wikipedia
WORKPRO 20V Cordless Impact Wrench, 1/2-inch, 320 Ft Pounds Max Torque, 4Pcs Drive Impact Sockets, 2.0Ah Li-ion Battery with Fast Charger, Belt Clip for Easy Carrying - Walmart.com