Portable Rolling Track Gauge Portable Rolling Track Gauge is mainly used for railway track gauge and super-elevation(cant), check rail gauge and back to back distance measurement.It can be used for track inspection and fine adjustment of rail gauge.This product has the advantages of fast measuring speed, stable pushing rod, easy to carry,and night-time and tunnel work,legible even in direct sunlight are supported.It is an ideal measuring tool for track fine-tuning, track construction,inspection and track laying. Features The benefits of our rolling gauge : 1. Measure the track gauge, cant without bend over your back. 2. Light weight : around 6.5kg , one person operation. 3. BT connection, data uploading and analysis system. 4. High working efficiency. Save your man power. ( 1 man with 1 rolling gauge = 4 man with 4 normal digital track gauge)