Vessel model 2500 Impact Driver is use to hit and knock the jam or siezed screw so that it can be loosened for re-openning. It body made of hardenen metal to allow strong hammering on the screw. It is equipped with one set of 4 different size of screw bits to cater for most of the screw type. SPECIFICATION *Ideal to loosen screws or nuts that are rusted,jam and unable to open. *Easy to hold and grip handle un-slipped during hammering. *Comes with Four S2 hardening Screw Bits *End with hardened steel for hammering impact. *Front nozzle able to rotate clockwise and anti-clockwise.