Digital Rail Frog Wear Gauge is used to measure vertical wear value of frog point rail and wing rail at any sections.Also could be used for measuring decrease value of point rail relative to wing rail. Model LJ-ZCM-A Type Digital Rail Frog Wear Gauge Material Stainless Steel Dimensions (L x W x H) (mm)380*166*25mm Measure range0~40mm Score value0.01mm Indication error ± 0. 15mm Working tempareture-10~+40 Main ruler measure range0~380mm
