Non - Asbestos L Type Composite Brake Block For Freight Stock To R.D.S.Os Drg.No. Wd - 99062 - S - 01 Alt.No.- 3 (Three)Or Latest And R.D.S.Os Specn.No. Wd - 13 - Abr - 2006 With Amend Ment No. -1 Of May 2007 Or Latest. - [ 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 ] ]