The product is a pair of brass safety valves specifically designed for Hornby OO gauge model trains. These vintage spares are compatible with models such as R855, R259, and R850, manufactured in 1964. Made in the United Kingdom by Tri-ang Railways, these safety valves are suitable for analogue control systems and are a rare find for collectors of model railways. The gold-coloured valves are a sought-after addition to any model railway enthusiast's collection, representing a piece of railway history from Era 3 - The Big Four (1923-1947).
