( i ) SET OF BOLTS HEX HEAD FOR WAG- 9HC FOR ELAAU/ DKAE [ EACH SET IS A LOCO SET CONSISTING OF 16 ITEMS AS PER SET DETAILS ATTACHED ] [ Warranty Period: 30 Months after the date of delivery ]. ( ii ) BOLTS HEX HEAD FOR WAG- 9HC [ EACH SET IS A LOCO SET CONSISTING OF 33 ITEMS AS PER SET DETAILS ATTACHED ] [ Warranty Period: 30 Months after the date of delivery ].