Gauge For In-Service Measurement Of Turnout Switches As Per Rdso Drawing No. T-10311:-(I) Gauge No.1: Chipped Tongue Rail Gauge,(Ii) Gauge No.2:New Wheel Contact Gauge,(Iii) Gauge No.3:Switch Splitting Proneness Gauge.(Iv) Gauge No.4:Lateral Wear Angle Gauge [ Warranty Period: 30 Months After The Date Of Delivery ] ]