Milwaukee's 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 you 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, providing you the most access in tight spaces, up to 250ft-lbs of nut-busting torque, and maximum workspace visibility. This MILWAUKEE? 2-tool combo kit is part of Milwaukee's M18? System, featuring over 200 tools. M18 FUEL? has 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.