The #32 Kadee Magne - Matic Coupler in HO scale is a top - notch product. Each package comes with 2 pairs. It features a robust plastic - insulated coupler, a #621 Torsion Centering Spring, and an insulated #233 Draft Gear Box. The 30 - Series Magne - Matic Couplers are flexible for body mounting, either above or below the platform, with or without the Draft Gear Box Lid, and the lid can be on top or bottom. The 30 - Series Torsion Spring must be placed between the Coupler Spring Lid and Draft Gear Box, either above or below the coupler shank.

Using these Kadee #32 couplers is quite straightforward. First, decide if you want to mount them above or below the mounting platform. You can choose to use the Draft Gear Box Lid or not, and place it on the top or bottom as you like. When installing the 30 - Series Torsion Spring, make sure it goes between the Coupler Spring Lid and Draft Gear Box, either above or below the coupler shank. As for maintenance, keep them clean to ensure smooth operation. Avoid using excessive force when connecting or disconnecting the couplers. If you notice any signs of wear, such as a loose spring or damaged plastic parts, it's a good idea to replace them to keep your couplers working well.