Description: 【Metal Construction】: These Metal Wheels for Model Train are crafted from metal, ensuring durability and resistance to wear and tear for long term use 【Enhanced Performance】: Designed for easy rotation, shock absorption, and low noise operation, these Wheels significantly enhance the performance of your model train 【Fit for 1/87 Scale Trains】: These Metal Wheels for Model Train are specifically designed to fit HO 1/87 scale trains and scenes, providing an ideal solution for model train enthusiasts 【Dimensions】: The wheelset features an axle length of 9.69inch, a wheelbase of 0.57inch, an outer flange diameter of 0.49inch, an axle diameter of 0.10inch, and a treads outer diameter of 0.40inch 【Package Included】: Package includes two wheels, making them a versatile addition to your model train accessories Specification: Axle Length 24.6cm/9.69inch Wheelbase 1.44cm/0.57inch Outer Flange Diameter 1.24cm/0.49inch Axle Diameter 2.5mm/0.10inch Treads Outer Diameter 1.024cm/0.40inch Package Includes: 2 Metal Wheels for Model Train  Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm differences due to manual measurement.