SEYVUM Impact Wrench,1/2" Impact Gun, Power Impact Driver Max Torque 320 Ft-lbs (430N.m), Cordless Impact Wrench with 20V Brushless Motor, 3.0Ah Li-ion Battery with Fast Charger, 4 Pcs Impact Sockets - Amazon.com
Takuoo Cordless 1/2 inch Brushless Impact Wrench, Max Torque (850N.m) 640Ft-lbs Electric Impact Gun w/2x 4000mAh Battery, Charger & 6 Sockets, Power Impact Driver for Car Home - Amazon.com
20V Brushless Cordless 1/2 in. High-Torque Impact Wrench - Tool Only
Greenworks 24-Volt Cordless Brushless 1/4" Impact Driver (2 x 1.5Ah USB Batteries and Charger Included) green 3803702AZ - Best Buy