The Hornby Plastic Oval Buffers S8901 set of 4 spares is a vintage accessory designed for Hornby model railways in 1:76 scale. Made of black plastic, these pre-built buffers are compatible with the Pannier Tank model and are suitable for analogue control systems. Manufactured in the United Kingdom by the renowned brand Hornby, these authentic British-made buffers are perfect for collectors and hobbyists aged 17 years and up who enjoy restoring and customizing their model train layouts.