DCC Concepts DCG-RGFB100 - Roller Gauge with Handle - Standard - 16.5mm - Flat Bottom - 2pc (HO Scale)
Trackmaking tools for standard 16.5mm OO/HO track made with code 100 flat-bottom rail (1.2mm flangeways for RTR)! Two roller gauges per pack, with convenient handles also supplied.
Includes: 2 brass gauges.