M.S. Snap Head Rivet Dia 12 X 50 Mm Long To Is:1929/1982, Amndt. 4. Material Should Confir M To Is:1148/2009 Amndt-1. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]