ABT4550/Prism - Prism Gauge

The ABT4550/PRISM Track Gauge offers rail surveyors the functionality of a standard track gauge coupled with the facility to mount surveying prisms in line with the gauge face of the running rails. Constructed from hard-wearing GRP and Nylon, the Prism Track Gauge is electrically non-conductive, making it suitable for use in areas of 3rd and 4th rail electrification.