Superior Parts SP 884-330 Aftermarket Piston Driver for Hitachi NT65MA2, NT65MA3, NT65MA4, NT65MA4(S) Finish Nailers
Aftermarket Hitachi Nailer Piston Driver. This is a generic replacement driver with o-ring for the Hitachi NT65MA2, NT65MA3, NT65MA4, NT65MA4(S) guns. Aluminum is crimped into the UNI-LOK grooves of the shaft to prevent unscrewing. Hardened steel lock tite and micro-mechanically locked piston driver interface. Guaranteed never to unscrew.