Supply Of Improved High Tensile Tight Lockimproved High Tensile Tight Lock,Improved High Tensile Tight Lock Center Buffer Coupler With Aar H Type Head And Balanced Draft Gear For Fitment On Bg Passenger Coaches Confirming To Rdso Specification No. Rdso/2011/Cg-03 (Rev-03) C Onsisting Of 06 Items. (Sr.1): Tight Lock Coupler Head Aaa-H Type With Main Pin Qty-01 No. (Sr.2) Balance Draft Ge Ar Qty. 01 No. (Sr.3)Supporting Device With Fasteners Qty. 1 No. (Sr.4) Manual Uncoupling Device Qty. 01No. (Sr. 5) Base Plate With Fasteners Qty. 01 No. And ( Sr.6) Support Plate With Fasteners Qty. 01 Nos [ Warranty Period: 84 Months After The Date Of Delivery ]