Senco Finish Nailer SFN2 SFN2-B SFNII O ring Kit + LB5005 Seal
LB5005 Seal (These are 3D Printed Parts). Includes all the O-rings in the tool, and the plastic washer firing valve seal LB5005. You are buying the o-ring and LB5005 seal kit. to overhaul the Senco SFN2 and SFN2-B Finish nailer.