Kadee Whisker(R) Self - Centering Metal Knuckle Couplers Kit. Magne - Matic(R) Medium 9/32 Centerset. It comes with an Extended - Swing Draft Gear Box for long cars in HO scale (1 pair). Ideal for passenger or long freight cars, enabling negotiation of tighter radius curves.

Using this coupler is easy. Just attach it to your passenger or long freight cars according to the standard model train installation methods. When using, make sure the cars are on a flat surface to ensure proper coupling. For maintenance, keep it clean by gently wiping with a dry cloth. Avoid using harsh chemicals as they may damage the metal parts. Also, check the connection regularly to ensure it remains secure.