The MJT Scale Components 2804 LNER Standard Coach Dynamos are white metal model accessories designed specifically for Hornby enthusiasts. These dynamos are compatible with the BR 92 model in 1/76 scale, representing the British Railways steam era of 1948-1956. Made to fit a 4mm gauge railway, these black-coloured dynamos are perfect for adding authenticity to your model train layout. Perfect for collectors and hobbyists, these MJT Scale Components are a must-have for anyone looking to enhance their railways with intricate details.