This belt pulley combination package includes rubber transmission belts, rubber bands, and plastic pulley sets, making it an ideal choice for model enthusiasts. The components are designed to work seamlessly together, providing smooth and efficient motion for various DIY projects. The package is Ideal for creating and repairing models, ensuring durability and reliability. Features -Color:Assorted Color -Material:Plastic, rubber -Size:2.50X2.50X0.30cm/0.98X0.98X0.12in -Rubber belts: made from rubber, these belts are highly durable and resistant to wear, ensuring a -Noise reduction: the rubber band and plastic pulley combination significantly reduces operational noise, providing a smoother and quieter performance -Easy installation: designed for convenience, these model accessories are easy to install and remove, saving you time and effort -Versatile use: suitable for a wide range of , this combination package offers multifunctional applications -Stable transmission: ensures stable transmission effects, enhancing the efficiency and performance of your equipment Package list: 400 x pulleys 400 x rubber bands 40 x transmission belts