#12 1851/60/61/62 Screw for Wedge OR Trigger & Bolt Spring (Pietta 1851 Navy Models). #12 1851/60/61/62 SCREW for Wedge or Trigger & Bolt Spring (Pietta Product Number 376) (1Pc) Screw only for either the Wedge OR the Trigger & Bolt Spring Wedge not included.