Flat Key-1/2" X 1/2" X 2" As Per Drg.No. 2P78000(2P78005-064) Alt Nil Specn: Purchas E Spec.No.Wdg4/Ps/Veh-02,Rev-4 Dt.06.07.10 & As Per Drawing [ Warranty Period: 1 Months After The Date Of Delivery ] ]