Product Description Digital rail wear gauge is used for special measuring tools of railway line maintenance department for line frog and wing rail wear value. , digital display rail wear measuring instrument is suitable for the railway fixed frog fork ruler and the vertical wear amount and pile height of the wing rails on both sides, quickly measure the vertical and side wear of rail frogs. Technical parameters Model GM43/50/60/75 Center vertical wear 0-25mm Vertical wear of wing rail 0-30mm Score value 0.1 Indication error ± 0. 15mm Implementation Standard