Superior Parts SP 149882 Aftermarket Pin-Check Pawl for Bostitch RN46. Details Compatible with: Bostitch F21PL Pneumatic Stick Nailer F21PL2 Pneumatic Stick Nailer F33PT Pneumatic Stick Nailer N89RH17 Pneumatic Stick Nailer RN46 Coil-Fed Pneumatic Roofing Nailer N89RH17-2MCN Pneumatic Stick Nailer RN46-1 Coil-Fed Pneumatic Roofing Nailer SF150C (Type 0) 1-1/2 X15 Degree Coil Nailer Porter Cable RN175B (Type 0) Coil Roofing Nailer More Information Model# SP 149882 UPC 099461759718 WARNING California Proposition 65 Brand Superior Parts