Lock Pin Mount Plate for All Tamiya 1/14 Semi Trailer Fifth wheel coupler Description: Realistic design and exceptional quality. Made of aluminum. Fits all Tamiya 1/14 Trailer. Perfect for self built trailer. Dimension: 9.5cm long and 5.7cm width Notes: This is for Toy Radio Control Scale 1/14 Semi Truck only. Please contact us if you have any question