DEWALT DCD985B 20-Volt MAX Lithium Ion 1/2-Inch Hammer Drill/Drill Driver with Handle and Dwht0046 Blades High efficiency motor delivers 450 unit watts out of max power for superior performance Uses DEWALT 20V Max lithium ion batteries which offer longer runtime and enhanced durability Heavy-duty 1/2-Inch metal ratcheting chuck with carbide inserts Kit includes drill and 360 degree side handle 3-speed all-metal transmission and Free Blades Brand New in bulk packaging