Non Asbestos Based 'K' Type Composite Brake Block For Demu Dpc. Drg: Rdso Drg. No. Sk- 80029 Alt-4 With Latest Alteration Spec: Rdso'S Spec. No. C-9508 Rev-3 With Latest Revision And Amendm Ent [ Warranty Period: 30 Months After The Date Of Delivery ] ]