Rollers are cylindrical objects that are used in a variety of applications. The most common use of rollers is in the form of TIRES, which are used to provide traction and cushioning for vehicles. TIRES are typically made of rubber and have a tread pattern that helps them grip the road. They also come in a variety of sizes and can be used on different types of vehicles. Rollers can also be used in industrial settings, such as conveyor belts, and in manufacturing processes.