The Hornby King Class Cylinder Block S9781/2 and Slide Bars S3988/9 are vintage model railway parts manufactured in the United Kingdom in 1978. Made of black plastic and designed for the Hornby brand, these pre-built cylinder blocks and slide bars are compatible with the R087 model in 1:76 scale. They are suitable for collectors aged 17 years and up, adhering to the OO gauge standard. This analogue control system unit is a single piece, perfect for nostalgic model railway enthusiasts looking to enhance their collection with authentic Hornby parts.
