ORK11 Maintenance Kit for N80S N80SB N80SBM N80C and SDN11RH Package Includes: ORK11 Maintenance Kits Fits Bostitch N80S N80SB N80SBM N80C & SDN11RH Nail Gun Parts. These parts install quickly to make your Framing nailer work like new again. Return refund: If you have any questions, you can refund in full without any problems A brand-new, unused, unopened, undamaged item in its original packaging.