supply of set of gauges for checking screw coupling of locomotives. the item consists 06 various types as per the details enclosed in annexure. note :-(1)calibration certificate from nabl/nabl accredited laboratory 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/metal care box for easy transportation to on site.set of gauges for checking screw coupling of locomotives. the item consists 06 various types as per the details enclosed in annexure. note :-(1)calibration certificate from nabl/nabl accredited laboratory 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/metal care box for easy transportation to on site.,set of gauges for checking screw coupling of locomotives. the item consists 06 varioustypes as per the details enclosed in annexure. note :-(1)calibration certificate from nabl/nabl accreditedlaborat ory with minimum validity 12 months have to besubmitted. (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: 30 months after the date of delivery ] ]