Digital Rail Straight Edge Digital Rail Straight Edge is used for measuring vertical railway line rail abrasion and flank wear it includes reference positioning frame and installed on the framework of reference positioning auxiliary positioning screw and the depth of the rail vertical abrasion side abrasion measured in feet its structure is simple intuitive and accurate measurement data and upper and lower rapidly operator safety its light weight convenient to carry Benefits Digital Rail Straight Measuring Ruler has the advantages of high measuring accuracyeasy to operateLCD digital display etc Specification Model LJZDI Type Digital Straight Edge Material Carbon Steel Dimensions L x W x H 1201224 cm Measurement range 5 Indication error 006 Measuring length 1000