FLUID-DRIVE Hydraulic Powertrain Reduces Metal On Metal Contact Within The Tool, Delivering Quieter Operation, Smoother Performance And Increased Durability Over A Standard Impact, Powerstate Brushless Motor Outperforms All Leading Competitors, REDLINK PLUS Intelligence Prevents Damage To The Tool And Battery Due To Overloading Or Overheating, REDLITHIUM Batteries Deliver More Work Per Charge And More Work Over The Life Of The Battery, 4-Mode Drive Control Provides Greater Control Over Output Speed And Power, Includes: (1) 2760-20 1/4 In. Hex Hydraulic Driver, (1) Belt Clip, (1) Bit Holder, Compatible With All M18 Batteries And Chargers, M18 System 100+ Tools