the Switch Rail Lateral Wear is used to measure the switch rail lateral wear and the descent height value of the switch rail,this device can be used for all types of switch rail.Switch Rail Lateral Wear Gauge has the advantages of high measuring accuracy,easy to operate,high reliability,small volume,light weight etc.As a Chinese mainland based company, we like to take our advantage of low cost and strive to offer you quality products with most competitive pricing with integrity.