supply of set of ten items of go & no-go gauges. , set of ten items of go & no-go gauges for checking k values in ac electric locomotives. material tool s teel : is 3748/ 90, hardness : 40/ 45 hrc as per set details & technical specifications attached at annexure-a. makes: g anapathy industries or paragon instrumentation or jyoti or its similar. note:[1] item to be supplied along with valid calib ration test certificate of 01 year validity period from nabl accredited/ govt. approved labs. [2] warranty certificate shall be submitted along with the material in the name of sse/m7/els/bza. [ warranty period: 30 months after the date of delivery ] ]