DeWalt DCF902B Xtreme 12V Max Brushless 3/8 in Cordless Impact Wrench | JB Tools
GETUHAND Electric Impact Wrench 1/2 Inch & 12 Volt 400N.M 300ft-lbs Max Torque with 1/2" Strong Square Drive, Portable Car Impact Wrench Kit with Sockets and Carry Case - - Amazon.com