Description: - 【Premium Material】: This multi functional strength trainer pulley is made of aluminum alloy, ensuring its durability and sturdiness. making it for long term use. - 【Precision Design】: The pulley is crafted with CNC machining for high precision and features an anodized surface treatment that enhances its overall look and feel. - 【Smooth Operation】: With a smooth surface, this pulley ensures easy movement and operation. It's designed to provide a smoother feel during your workout sessions. - 【Versatile Use】: This pulley is suitable for most gym equipment and garage door pulley systems. - 【Great Replacement】: This universal bearing pulley is a great replacement for some worn out pulley wheels on a gym machine. Specification: - Material: Aluminum alloy Size Chart: Diameter: 8.8cm/3.46inch, Center Thickness: 2.5cm/0.98inch, Inner Hole: 1cm/0.39inchPackage Includes: 1 Bearing Pulley Wheel Note: Please allow slightly errors due to manual measurement and different monitors.