Superior SP TA81078 Aftermarket Piston Driver Assembly for Max NF235A-23-35 - Material S7 Usa Steel

Superior Parts SP TA81078 Aftermarket Piston Driver Assembly for Max NF235A-23-35 - Material S7 USA steel. 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.