Snap On CT8850 1/2" Impact Wrench Red W/ 4Ah Battery & Charger | eBay
18 V 1/2" Drive MonsterLithium Cordless Impact Wrench (Tool Only) (Hi-Viz) | CT9080HVDB | Snap-on Store
Aiment Cordless Impact Wrench 1/2 inch, 550 Ft-lbs Max Torque(700NM), 21V 3000RPM Brushless Power Impact Gun, 4.0Ah Li-ion Battery with Fast Charger, 6Pcs Sockets, Electric Impact Driver for Car Home - Amazon.com