Note: M18 and V18 tools and accessories are not interchangeable, Milwaukee 2663-20 Specifications:, Voltage: 18V, Anvil Size: 1/2"" Square, Anvil Type: Friction Ring, Torque: 450ft, RPM: 0-1,900, IPM: 0-2,200, Length: 8-7/8"", Milwaukee 2663-20 Includes:, Impact Wrench Only, Milwaukee 2663-20 Features:, Milwaukee Designed Impact Mechanism: Delivers 450 ft-lbs of torque, Compact Size: 8-7/8""L, Milwaukee 4-Pole Frameless Motor: Delivers maximum run-time, 1/2"" Anvil with Friction Ring: Provides quick and easy, one-handed socket changes, The Milwaukee Advantage - The M18 Cordless 1/2"" High Torque Impact Wrenches provide industry leading power in a compact size, SKU: ORSNO64310