Descriptions: Made of steel material, durable, rustproof, sturdy, and long time to use. It is strong enough to hold you sandbag, speed ball, pear ball, a perfect accessory for you. Built-in bearing, can rotate 360 degree flexibly. And the ring can rotate 240 degree. It is easy to install and use, features high pressure and wear resistance. It is a perfect replacement for your old or damage one. Specifications: Material: steel Color: silver Diameter: about 9.5cm Package Included: 1pc x sandbag swivel 4pcs x screws Note: 1. Due to the light difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. Welcome to our store , hope you have a pleasant shopping experience