The piston driver fits between the o-ring and the bumper and is made out of metal. It is a genuine Bostitch replacement part used in compatible pneumatic roofing nailers. This is available as an individual replacement part. An allen wrench and a screwdriver may be required to replace this item if it becomes broken.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
