Supply Of Set Of Thread Ring Go-No-Go Gauges For Lhb Coaches, One Set Of Go-N O-Go Thread Gauges Should Have Following Item (Description & Qty:-) 1) Size M16X2.0Mm-6G(On E Threadring Gauge Go & No-Go Gauges)-01 Pair 2) Size M20X2.5 Mm-6G (One Thread Ring Gauge Go & No-Go Gauges)-01 Pair Make:- Braker Or Master Metrology Or Similar , Note:- Calibration Certificate To Be Supplied From Nabl Approved Labs. [ Warranty Period: 30 Months After The Date Of Delivery ] ]