Bosch 18-volt 1/4-in; 1/2-in Brushless Cordless Impact Driver (1-Battery Included, Charger Included and Soft Bag included) in the Impact Drivers department at Lowes.com
Milwaukee M18 FUEL 18-Volt Li-Ion Brushless Cordless 1/2 in. Hammer Drill/ Driver & 3/8 in. Compact Impact Wrench w/Friction Ring 2904-20-2854-20 - The Home Depot
Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 1/2 in. Hammer Drill/Driver with (1) 5.0Ah Battery and Charger 2904-20-48-59-1850 - The Home Depot
Bosch 18V Cordless Impact Drill GSB 18 V-150 C HMI (Solo) Malaysia - BoschHardware.com
DEWALT 18V Impact Driver, 1/4-Inch, Tool Only (DC825B) - Power Impact Drivers - Amazon.com