Supply Of Bc Holding Chain For Escorts Make Brake Cylinder Similar To Escorts Drg No 4eb10266 Or Eq Uivalent . As Per The Rdso Spec. No. Wd-23- Bmbs-2008 (rev. 1) With Amend. - 1 Of Sept. 2016. Suitable To Fitment For Air Brake Wagons Having Bmbs Wagons ( Escorts Design). [ Warranty Period: 36 Months After The Date Of Delivery ]