Bolster Land Surface Liner Of Size [105 X 24 X 1.6 Mm].Drawing No. : Cr'S Drawing No. J Hs/Sk-2441, Sl No. 06. Material And Specification : Silico Magnese Steel Conforming To Is :3885 (Part 1): 1992 (Rev. 2) , Amend. No. 1 Of Jan.' 1995, Grade : Iv. [ Warranty Period: 30 Months After The Da Te Of Delivery ] ]