Mild Steel Shims, Made Of Mild Steel Material Grade E-250 As Per Is:2062 Having Thickne Ss Of 1.5 Mm (Gauge No. 16) For Insert Of Psc Sleeper (Rdso/T-381) Duly Complying Provision Of Rdso Advance Drawing No. Edo/T-2283 Enclosed. [ Warranty Period: 30 Months After The Date Of Delivery ] ]