Socket Joint With Guide Pin To Dellner Drg. No. 1049245 For Jerk Free High Tensile Centre Buffer Coupler With Semi Permanent Head And Balanced Draft Gear Fitted In Vande Bharat Chair Car Coaches Conforming To Specification No. Icf/Md/ Spec-307, Issue Status 01, Rev.00 With Amendment No.1 And Conforming To Mdts21292 Rev-00. Type Drg: M/S Dellner.