Superior SP 883-471C Aftermarket Hitachi Piston Driver Assembly Japanese Carbide with O-ring Fits NR65AK, NR65AK2

Superior Parts SP 883-471C Aftermarket Hitachi Piston Driver Assembly Japanese Carbide with O-Ring. Fits NR65AK Nailer. Aluminum is crimped into the Unilok grooves of the shaft to prevent unscrewing. Our patent-pending UNILOK piston/driver is guaranteed to never unscrew our Aftermarket Piston Driver Assemblies.