Modified Hand Brake Chain Link For Wdp4D/Wdg4D Diesel Locomotive (251 Links) Of Rdso Drg . No. Skdp-4089, Item No. 5, Material Spec- Is:2429/1987. Note: Offered Product Is To Be Supplied With Mat Erial Test Certificate (Mtc) & Warrenty Test Certificate (Wtc) Traceable To Nabl. [ Warranty Period: 30 Mo Nths After The Date Of Delivery ] ]