Milwaukee 0524-24 18 Volt 1/2-Inch T-Handle Hammer-Drill 0-500/1600 RPM with Two Batteries, Charger, and Case Exclusive reversible battery pack makes working in tight spaces easy 2.4 amp/hr battery provides 20% more run time than other Ni-CAD batteries All-metal Grip-Lok 1/2" chuck for extreme durability 400 in./lbs. of torque with 20 position adjustment Limited warranty, 30-day no-risk trial