DCK771D1M1: This Cordless 7-Tool Combo Kit includes one 1/2 in. Drill/Driver, Reciprocating Saw, 6-1/2 in. Circular Saw, Brushless Oscillating Multi-Tool, 1/4 in. Impact Driver, 5 in. Random Orbit Sander, Bluetooth Speaker, 20-Volt MAX 2.0Ah battery, 20-Volt MAX 4.0Ah battery, charger, and bag. The DCS393 Circular Saw with 6-1/2 in. carbide blade can cut 2x4s at a 45° angle in a single pass. The DCS381 Reciprocating Saw with keyless blade clamp allows for quick blade changes. The DCD771 Drill/Driver has a high-speed transmission with 2 speeds (0-450 and 1,500 rpm) for a range of fastening and drilling applications. The DCF885 Impact Driver is equipped with 3 LEDs that have a 20-second delay after the trigger is released for increased visibility. The DCR066 Bluetooth speaker has up to 100 ft. of reception and works with both 20-Volt MAX and 12-Volt MAX batteries. The DCW210 Random Orbit Sander has a variable-speed dial with speed control from 8,000 to 12,000 OPM for a variety of applications. DCB205: Keep your DEWALT 20V MAX tools running longer with the 20V MAX Lithium-Ion Premium Battery Pack. This battery is compatible with the complete line of DEWALT 20V MAX tools. This battery is backed by a DEWALT 90-day money-back guarantee and 3-year free service contract for added peace of mind. Includes DCK771D1M1 and DCB205.