Superior Parts SP 883-471 Aftermarket Piston Driver for Hitachi NR65AK, NR65AK2, NR65AK(S) - 883430
Aftermarket Hitachi Nailer Piston Driver. This is a generic replacement driver with o-ring for the Hitachi NR65AK, NR65AK2, NR65AK(S) guns. This comes with a patented locking mechanism which will not allow the driver to unscrew from the piston. Aluminum is crimped into the UNI-LOK grooves of the shaft to prevent unscrewing. Guaranteed never to unscrew.