supply of bolster land surface linerbolster land surface liner,bolster land surface liner of size[105x24x2 mm] as per drawing no. jhs/sk-2441, s.no.7. mat erial is silico-manganese steel to is-3885, part-1 (reaffirmed-2022), gr iv. note :(i) all silico- manganese lin ers shall be marked for manufacturer initial and month and the year of manufacturing by metal laser engraving in 6 m m size and 0.1 mm minimum.(ii) liners shall be fitted in such a way that marking lies on opposite to wearing surface . [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited