The preeminent brand in boxing since 1910 Everlast is a global leader in the design manufacturing of authentic boxing mixed martial arts and fitness related sporting goods equipment apparel footwear and accessories. From heavyweight champion Jack Dempsey and middleweight legend Sugar Ray Robinson to the undisputed middleweight champion Jermain Taylor and UFC heavyweight champion Randy Couture Everlast is the brand of choice for generations of world champion professional athletes. Built on a brand heritage of authenticity and individuality Everlast is a necessary part of the lives of countless athletes and fitness enthusiasts who train compete and live an active lifestyle. The Everlast Professional Heavy-Duty Swivel boasts a heavy-duty flange that mounts securely to your speed bag platform. The swivel features a precision ball bearing construction with smooth fast action for accurate rebounding. Heavy-duty flange mounts securely to platform. Precision ball bearing construction. Fast smooth action for accurate rebounds. Triple chrome plated. Detachable design.