Automatic Twist Lock For Blc Wagon As Per Drg. No. Contr-9405-S-21, Item-15, Alt. No.7, Sp Ecification-Contr-01-Msg-Atl-2011 Of Nov. 2011 And Sanrok Drg. No. Sb-71350/S. [ Warranty Period: 3 0 Months After The Date Of Delivery ] ]