Superior Parts SP CN81204 Piston Driver for Max CN70 Coil Nailer
Aftermarket Max Nailer Piston Driver. This is a generic replacement driver with o-ring for the Max CN70 coil nail guns. 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.