ROLLER GAUGE OO 16.2MM BH X2
Roller Gauge (w/handle) OO/HO (Special Fine) 16.2mm BH (2 Pack)
Roller Gauge Trackmaking tools for Finer looking OO/HO track using OO-SF standards. The slight gauge-narrowing to 16.2 thru the common crossing area allows 1mm flangeways without the need to adjust all your RTR stock! Made for use with Bullhead rail. Two roller gauges per pack, with handles also supplied.