This stainless steel scale rule is a valuable tool for modelling in British N Gauge. It shows scale measurements from 3ins to 50ft, marked at 1:148 scale. It also includes markings for track gauge and spacing.
SL-310 Conducting Rail Joiners: Nickel Silver for PECO Code 80/55 track
SL-311 Insulated Rail Joiners for PECO Code 80/55 track
SL-14 Track Fixing Pins: Chemically blackened mild steel for unobtrusively pinning down trackwork