Tread Wear Measuring Gauge Model Twg-1(Emu) Of Alloy Steel With Hardened Measuring Poi Nters And Use To Measure Flange Wear , Root Wear, Tread Wear ,Flat Tyre And Wheel Profile Gauge Supplied In Case With Callibration Certificate And Tender Specific Authorization Letter Of Oem For Collared & Non Collar Ed Wheel Make Jyoti,Pie Or Similar [ Warranty Period: 30 Months After The Date Of Delivery ] ]