High-quality 33mm (3ft 4in scale) Resin Coach Wheel Sets compatible with Bachmann and suitable for Gauge 1 (10mm) 'G' scale. The wheels are made of durable material and have been pre-built, ensuring they are ready to go. The steel axles are 3.2mm x 70mm in size and are designed to provide maximum performance on the track.These wheels have been manufactured in the United Kingdom and are in black. They are perfect for Era 1-4 and will give your train a realistic look.