Non-Asbestos Based 'L' Type Low Friction Composition Brake Block For Mg Main Line Coach Ng Stock To Rdso Drg. No. Sk- K2043, Alt. '1" And Rdso Spec. No. C- K211 (Rev.1) Of September 2004 . [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]