Package Includes: as images show, Aftermarket Donut Flush Nailer (3 SET). Compatible With: For Hitachi NR83A NR83A2(S) NR83A2 FR350A FN83A and Porter Cable FR350A. These parts install quickly to make your nailer work like new again. 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