Part Number: 910767. A03849 Compatible With Porter Cable FC350A Type1 3 1/2 inch Clipped Head Framing Air Nailer, FC350A Type2 3 1/2 inch Clipped-Head Framing Air Nailer. Compatible With FM350A Type1 Air Nailer,Compatible With FR350A 3 1/2 inch Round Head Framing Air Nailer. A brand-new, unused, unopened, undamaged item in its original packaging. Return refund: If you have any questions, you can refund in full without any problems