Kadee HO Scale Standard Couplers The Kadee® Standard Couplers feature a Metal Coupler, Centering Spring, insulated #232 Draft Gear Box and Lid (not included in bulk packs) with side and center screw holes for mounting.
Note: The 20 series couplers have a plastic shank and include Talgo Truck Adapters. The 30 series couplers have a plastic shank and include #233 (Round) Draft Gear Boxes.