DCG-BBSN Back to Back – Sn3 or HOn-35 (Standard) 12.4mm
Brass Back-to-back gauge for SN30 or HOn3.5 or Narrow gauge (14mm track) (3’0″ gauge S Scale or 3’6″ gauge, HO Scale. set to NMRA standards)

Description
Brass Back-to-back gauge for SN30 or HOn3.5 or Narrow gauge (14mm track) (3’0″ gauge S Scale or 3’6″ gauge, HO Scale. set to NMRA standards)














