Hitachi DV18DSDLP4 18-Volt Cordless Lithium-Ion Hammer Drill (Tool Only, No Battery) Industrial grade 2-piece motor with up to 814 in-lbs of torque to handle the toughest jobs Single sleeve ratcheting 1/2" metal keyless chuck with carbide jaw inserts for maximum bit grip and convenient swap-outs 22-position clutch with drill and hammer drill modes for properly matching the torque to the application Aluminum gear case for maximum durability and strength Metal belt hook keeps the tool close at hand Bright LED light for increased visibility in enclosed work spaces Externally accessible carbon brush for quick and easy maintenance Lightweight at only 4.8 lbs Recommended battery - 335791, Recommended charger - UC18YKSL Covered by Hitachi's Lifetime Lithium Ion tool warranty