"Mechanical Rail Wear Gauge is mainly used to measure the vertical wear and lateral wear of the rail. The reasonable design makes it convenient operation and intuitive reading. FEATURE Analogue Rail Wear Gauge is easy to operate, high reliability, small volume, light weight etc." "Model LJ-GM-B Vertical wear measure range0-15mm Lateral wear measure range0-25mm Score value0.1mm Supply CustomizeUIC60/60E1, UIC54 /54E1, 115RE 68TR ect all profiles Block customize block for gauge"