The polarity (or train direction) of the rails is shown on the product. We will always help you to have a 100% positive happy buying experience.
Gaugemaster GM52 Multi Scale Track Tester OO HO Scale Gauge BNIP
Gaugemaster GM52 Multi Scale Track Tester
Gaugemaster GM52 Multi-Scale Track Tester
GM52 Gaugemaster Multi Scale Track Tester
Gaugemaster GM52 - LED Multi Gauge Track Tester DCC/DC N, H0/00 Gauge RM48 Post
Train-Tech TT1 - LED Multi Gauge Track Tester DCC/DC For N/H0/00 Gauges - RM48P
