Enhance the performance of your mechanical projects with this plastic pulley. Its dual-layer construction provides added strength and stability, making it ideal for use in motorized toys, model cars, and other mechanical device. The pulley’s smooth and precise fit help reduce wear on belts, ensuring performance. Features -Color:White -Material:Plastic -Size: 1.80X1.80X1.00cm/0.71X0.71X0.39in -Increased load capacity: the duallayer design significantly increases load capacity, making it ideal for heavyduty use - material: made from plastic, this pulley is durable and wearresistant, ensuring long-term use -Smooth speed reduction: the speed reduction function ensures smooth and stable operating speeds, enhancing motor performance -Easy to install: suitable for various wheel motors, this pulley is easy to install, providing convenience and versatility -Diverse uses: available in multiple uses, this pulley meets a wide range of needs, offering flexibility for different applications Package list: 40 x belt pulleys