The Alco PA-1 MOTOR CONNECTOR CLIP by Athearn is a vintage replacement part designed for HO scale model trains. Made of tin with a white color, this connector clip is suitable for DC powered trains with a Co-Co wheel configuration. It is part of the Pennsylvania Railroad’s advertising theme and is compatible with the two-rail system. This unit is a single piece, ideal for model railroad enthusiasts aged 17 years and up. Made in the United States, this connector clip is a valuable addition to any model railroad collection.