This is a genuine Bostitch replacement part. The plunger is supplied from the original equipment manufacturer for use with pneumatic nailers and staplers. It is an important component which pushes the driver. Over time it may wear out or get damaged eventually requiring a replacement. Note, this high-quality component is made of durable metal and is sold individually. Make sure to check the appropriate diagrams of your specific model to ensure the correct replacement procedure. You may need a screwdriver and pliers to take the tool apart to perform this repair.
