CRAFTSMAN V20 Cordless Impact Driver, 1/2 inch, Bare Tool Only (CMCF921B) - Amazon.com
Craftsman V20 Cordless Drill Review – It's Cheap, but Capable
CRAFTSMAN V20 20-volt Max Brushless Cordless Impact Driver (1-Battery Included, Charger Included and Soft Bag included) in the Impact Drivers department at Lowes.com
V20* 1/2 in Drive Brushless Cordless Impact Wrench | CRAFTSMAN