Carbon Contact For Q Relays To Drg.No.Qca 34971 Alt-5 As Per Description No.D.211 4-00-09 Of S&T Workshop Podanur. The Contacts Shall Contain 58% To 60% By Weight Of Silver. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]