This M18 FUEL™ 2-Tool Combo Kit features the M18 FUEL™ 4-1/2" / 5" Grinder Paddle Switch, No-Lock and the M18 FUEL™ 3/8" Compact Impact Wrench w/ Friction ring. The M18 FUEL™ 4-1/2" / 5" Grinder delivers maximum sustained power to complete the toughest grinding and cutting applications, 11A Corded Power, and fastest cutting. The M18 FUEL™ 3/8" Compact Impact Wrench w/ Friction Ring is the most compact in its class, delivering the most access in tight spaces, up to 250ft-lbs of nut-busting torque, and maximum workspace visibility. M18 FUEL™ is fully compatible with the Milwaukee M18 18-volt Cordless system, featuring over 200 plus tools. M18 FUEL features the most advanced Cordless technology in the industry, a POWERSTATE Brushless Motor, REDLINK PLUS Intelligence and REDLITHIUM Battery Technology, resulting in longer motor life, longer run time and more power.