Product number: TT10.
Train Tech Multi Gauge Track Tester for OO/O/G Scales Multi Scale TT10
Train Tech Multi gauge Track Tester N/TT/HO/OO Gauge TT1
Gaugemaster GM52 - LED Multi Gauge Track Tester DCC/DC N, H0/00 Gauge - DSA
Golden Valley Hobbies GVTESTER Multi Gauge Track Tester For OO, HO, TT, N GAUGE
Train-Tech TT1 - LED Multi Gauge Track Tester DCC/DC For N/H0/00 Gauges ++ DSAPo
Train-Tech TT10+ - LED Multi Gauge Track Tester DCC/DC - H0/00/0/G Scales DSAPos
