This brushless Kielder Impact Wrench is equipped with a 3/8” square drive, which means you can fit sockets from 6mm – 19mm diameter, as well as Allen bits; ideal when working on smaller fastenings. The compact and lightweight design makes it easy to manoeuvre in tight spaces and the variable speed trigger gives full control in both forward and reverse. 2.0Ah Kielder KWT-003-04 TYPE18 Li-ion Battery (060230314) Kielder KWT-004 TYPE18 Battery Charger (060223401) *Bare Unit only. Use with your existing batteries and charger.