Nailer Piston Driver. This is a replacement driver with o-ring for theMCN250 and MCN250S 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...
Nailer Piston Driver. This is a replacement driver with o-ring for theMCN250 and MCN250S 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