Superior Parts SP EA0138 Aftermarket Piston Driver for Senco FinishPro 41XP Finish Nailer

Aftermarket Senco Nailer Piston Driver. This is a generic replacement driver with o-ring for the Senco FinishPro 41XP Finish Nailer. The UNI-LOK piston driver is designed to ensure that our Piston Driver Assembly remains securely fastened and guaranteed to never unscrew. 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.

Features:

• Heat treated tool steel 6150 - Rockwell hardness 50-52
• Aerospace grade #2024 Aluminum piston
• Mechanically locked piston driver interface
• Re-designed for a single groove rubber O-Ring