RIDGID 18-Volt X4 Hyper Lithium-Ion Cordless Drill and Impact Driver Combo Kit (3-Tool) with Radio Compact drill features a 4-pole open frame motor delivers 535" lbs. of torque in a more compact size Compact drill also has a 2-speed transmission for matching the right power to the task Impact driver delivers an industry leading 1,750" lbs. of torque to handle the toughest applications Both drill and impact driver feature hex grip micro-texture for secure grip, comfort, and grip light 18V radio is 100% compatible with all RIDGID 18V batteries and features AM/FM and auxiliary input