Premium Material: This tire changer accessory is crafted from quality nylon composite material, ensuring longlasting durability and resistance to wear and tear during use Compact Size: Designed with a convenient 80mm*50mm size, this roller is fit for efficient handling and maneuverability when working with tire changers Versatile Tire Changer Accessory: Ideal for use with tire changers, this product serves as an auxiliary arm roller, providing additional support and ease during the tire mounting and demounting process Enhanced Efficiency: The slim waist design of the pressure roller allows for smoother working, reducing effort and time spent on changing tires Single Unit Packaging: Each purchase includes 1 piece of this tire changer auxiliary arm pressure roller, making it easy to replace or upgrade your existing equipment as needed Specification: Material: Nylon Composite Size Chart: L*W: 8cmx5cm/3.15inchx1.97inch Package Includes: 1Tyre Changer Auxiliary Arm Pressure Roller Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.