Features: brand new and high quality Heavy duty metal speedball swivel, durable swivel mount hook withstands the constant punching and kicking of speed bags without falling apart like similar speedbag swivels. This boxerpoint speedball swivel is offered with the complete mount kit needed for fixing on the speed bag platform for easy setup and saving you for time and energy on the installation. 360 ball bearing mechanism allows the punching bag to run smoothly and swing freely in any direction. Invest in a speed bag swivel for your punching bag. Quick-change clip pin makes it extremely easy to attach the speedball to the swivel and replace your punching bags. Just unscrew the pin, attach the punching ball of your choice, and you are done. Multi-use and strong enough to hold your sandbag, speed ball, double end speed bag, a perfect accessory for you. and help you stay at home to practice your boxing skill. Specifications: Material: Iron Color: As The Picture Shows Package Weight: approx.450g Chassis Diameter: approx.9.5cm/3.74in Note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set of Speed Bag Swivels