supply of set of gauges for checking screw coupling of locomotives.set of gauges for checking screw coupling of locomotives.,set of gauges for checking screw coupling of locomotives. the item consists 06 various type s as per the details enclosed in annexure. note: 1)calibration certificate from nabl/nabl accreditedlabora tory with minimum validity 12 months have to be submitted. 2) warranty period shall be minimum 1 year. 3) gauges shall be supplied in suitable wooden/metalcare box for easy transportation to on site. [ warrant y period: 12 months after the date of delivery ] ] senior section engineer maharashtra 3.00 set