Superior Parts SP 888-160 Aftermarket Piston Driver for Hitachi NV83A4, NV83A5 Nailers

Aftermarket Hitachi Nailer Piston Driver. This is a generic replacement drivers with o-ring for the Hitachi NV83A4, NV83A5 nailers. The UNI-LOK piston driver is designed to ensure that our Piston Driver Assembly remains securely fastened and guaranteed to never unscrew.

Features:

• Heat treated tool steel 6150 - Rockwell hardness 50-52
• Aerospace grade #2024 Aluminum piston
• Mechanically locked piston driver interface