HO Scale Train Accessories: Perfectly designed for HO scale model train enthusiasts, these gears are essential components for enhancing your model train setup1/87 Train shaft Gear: Specifically crafted with 16T, these gears are for a wide range of electric trains in the 1/87 scale, ensuring smooth and efficient operationMaterial: Made from pp, these gears offer durability and reliability, providing long term performance for your model trains Dimension: Each gear features a 16T design that fits seamlessly into your train system, ensuring optimal functionality and performanceBulk Packaging: Conveniently packaged with 100 pieces per pack, this set offers great value and ensures you have plenty of spare parts on hand for future projects or repairs Size Chart: diameter:0.72cm/0.28inchthickness:0.18cm/0.07inch Package Includes: 100x 1/87 Electric Train 16T Gears Note: Please allow slightly errors 1-2cm differences due to manual measurement.