$54.99 DEWALT 1/2 in. Impact Wrench with Hog Ring Anvil-DW293 - The Home Depot
DEWALT 20-Volt MAX Lithium-Ion Cordless 1/2 in. Impact Wrench Kit with (2) Batteries 4Ah 
DEWALT 18-Volt 1/2 in. Cordless High Performance Impact Wrench (Tool Only)-DC821B - The Home Depot
