DEWALT DCK590L2 20-Volt MAX Li-Ion 3.0 Ah 5-Tool Combo Kit Power Tool Type: Cordless. 20V MAX hammer drill with patented 3-speed all-metal transmission and 1/2-inch self-tightening chuck 20V MAX reciprocating saw with key-less blade clamp allows for quick blade change 20V MAX 1/4-inch impact driver features 3 LED lights with 20 second delay to provide visibility 20V MAX LED work light delivers 110 lumens of light output 20V MAX circular saw with 6-1/2-inch carbide blade can cut 2-by-4's at a 45-degrees angle