The Milwaukee M18 Cordless Lithium-Ion 5-Tool Combo Kit includes the M18 Compact Drill/Driver (2606-20), M18 1/4 in. Hex Impact Driver (2656-20), M18 4-1/2 in. Grinder (2680-20), M18 Hackzall (2625-20) and M18 1/2 in. Impact Wrench with Friction Ring (2663-20). The M18 cordless system's patented technologies and electronics, innovative motor design and superior ergonomics provide users with the most efficient blend of power, weight and performance in its class. The Milwaukee 2663-20 M18 Cordless lithium-ion 1/2 in. High-Torque Impact Wrench features a 4-pole motor and powerful impact mechanism to deliver a reliable 450 ft./lbs. of torque with maximum run time. The grinder is the only cordless cut-off/grinder in the market to feature the user-preferred paddle switch, providing comfort and ease-of-use when operating in various positions. The cordless recip saw's powerful motor delivers 0 to 3,000 strokes per minute while its 3/4 stroke length allows users to perform fast cuts through a wide range of material such as wood, metal and PVC. Milwaukee M18 FUEL 16 in. Chainsaw delivers the power to cut hardwoods, cuts faster than gas, and delivers up to 150 cuts per charge. The unit is designed to meet the performance, durability and ergonomic needs of professional landscape maintenance and power utility. The POWERSTATE Brushless Motor maintains speed under heavy loads without bogging down to outperform small gas engines and higher voltage systems.