CRAFTSMAN V20 1/2-in 20-volt Max-Amp Variable Speed Brushless Cordless Hammer Drill (Bare Tool) in the Hammer Drills department at Lowes.com
Milwaukee M18 FUEL 18V Lithium-Ion Brushless Cordless 1/2 in. Hammer Drill/Driver w/One 5.0 Ah and One 2.0 Ah Battery and Charger 2904-20-48-59-1852 - The Home Depot
Hyper Tough 20V Max Lithium-Ion Cordless Hammer Drill, 1/2 inch Chuck, 2 Speeds with 1.5Ah Lithium-ion Battery & Charger, Bit Holder & LED Light - Walmart.com