Piston Assembly EA0177

This replacement piston assembly is an authentic Senco item that is specially manufactured for use with micro pinners. It is the part of the unit that drives the nail into the material. Over time these assemblies do have a tendency to bend or break especially when driving nails into extra hard material. This assembly includes a durable metal piston, driver and the rubber o-ring that helps to keep seal between piston and the cylinder wall. To help extend the life of a pneumatic tool use the specified oil in it daily 4-5 Drops will do every time you use it. When replacing this assembly you will need a hex key also known as an allen wrench.