Aftermarket Senco Nailer Piston Driver Assembly. This is a generic replacement driver with O-Ring for the Senco JoistPro 150XP 1/2" Metal Connector Nailer. This comes with a patent pending locking mechanism which will not allow the driver to unscrew from the piston. Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Guaranteed never to unscrew.

Replaces:

• Hitachi 888-588
• Senco EA0285
• PneuTools 830934

Features:

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

Compatible with:

• Hitachi NR38AK 1-1/2" Strap-Tite Fastening System Strip Nailer
• PneuTools MC150 1-1/2" Single Shot Joist Hanger Tool
• Senco JoistPro 150XP 1-1/2" Metal Connector Nailer