$50.99 DeWalt DCF899P2 XR 18 volt 1/2 Inch Drive Impact Wrench 2x5.0Ah Batteries, Charger and TSTAK 
DEWALT 20-Volt Max 1/2-in Square Drive Cordless Impact Wrench (2-Batteries) at Lowes.com
DeWALT DCF899P2 20V MAX 1/2-Inch Brushless Torque Impact Wrench Kit
