BOSCH GDS18V-221N 18V EC Brushless 1/2 In. Impact Wrench with Friction Ring and Thru-Hole (Bare Tool) - Amazon.com
Amazon.com: Bosch PROFACTOR GDS18V-770N 18V Cordless 3/4 In. Impact Wrench with Friction Ring and Thru-Hole, Battery Not Included , Blue : Everything Else
Bosch 18V Cordless Impact Wrench GDS 250-LI Malaysia - BoschHardware.com