The Hornby O Gauge Vintage Dual Semaphore Signals are ready-to-go pre-built signals made of tin, perfect for adding a touch of vintage charm to your model railway setup. With a lever control system, these signals are compatible with general hobbyists and feature a transportation theme. The set includes two semaphore signals, making them a great addition to any O gauge railway. Upgrade your collection with these classic Hornby signals at a great price despite the tatty box they come in.