WalthersProto, ProtoMAX Magnetic Knuckle Couplers, Standard Type Couplers Only, 20 Pair

Walthers Proto MAX(TM) couplers are an easy upgrade for old or new equipment and provide magnetic uncoupling action. Fully assembled, they fit most HO equipment, and each realistic coupler features a tough die cast metal head and shank, factory-installed metal knuckle spring, and a separate metal centering spring. This bulk pack is perfect for upgrading your entire fleet! Includes couplers and centering springs only.