Description: Enhanced Rowing Experience: Specifically designed for rowing machine seat rollers, this accessory significantly improves your rowing sessions, providing smoother and more efficient movementSturdy Construction: Made from quality PP, this roller has exceptional pressure resistance and durability. Its wear resistant properties ensure a long lifespan, allowing your equipment to operate smoothly over timeGreat Accessory: Whether you're a rowing enthusiast or a fitness aficionado, this pulley is an ideal addition to your workout gear, enhancing performance and reliabilityDimensions: With dimensions of 31.12mm x 20.27mm and an hole diameter of 8.11mm, ensuring compatibility with various equipment setupsPackage Includes: Comes with 1 piece per package, ready to be installed on your fitness equipment for immediate use and improved functionality Specification: Material: PP Size Chart: Hole Diameter: 0.811cm/0.32inchWheel: 3.112cmx2.027cm/1.23inchx0.80inch Package Includes: 1Rowing Machine Seat Wheel Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.