The band accessories in this package are crafted from durable materials, ensuring performance. The rubber belts and plastic pulleys are designed to fit Ideal in various model setups, offering flexibility and ease of use. Whether you're building a new model or repairing an existing one, these accessories will meet your needs. Features -Color:Assorted Color -Material:Plastic, rubber -Size:2.50X2.50X0.30cm/0.98X0.98X0.12in -Durable rubber belts: crafted from rubber, these belts are built to withstand wear and tear, offering extended durability -Smooth : the rubber band and plastic pulley set minimizes noise, ensuring smooth and quiet -Userfriendly: these precise model accessories are designed for easy installation and removal, making maintenance -Wide application: ideal for various mechanical systems, this combination package provides versatile usage efficiency: delivers stable transmission, improving the overall efficiency and productivity of your machinery Package list: 160 x pulleys 160 x rubber bands 16 x transmission belts