The sturdy strap is top graded with a sturdy coated metal clip. This pair of rings with adjustable long straps let you worry-free when using them on trees, metal poles, pull-ups, or anywhere you want to work out. Our fitness rings are one of the easiest and most effective strength tools, and they can be used to perform any exercise you can think of: pull-ups, push-ups, push-ups, rows, muscle lifts, and more. Easy to set up, just wrap the straps around the fitness ring, wrap them around any safety wood or steel beam in your home or on your workout equipment, and lock in place with a sturdy buckle. Package includes 2 x Wooden Fitness Rings and 2 x Adjustable Stabilization Straps. Ring Diameter: 1.1"(28mm), Outer Diameter: 9.25"(23.5cm), Inner Diameter: 7.08"(17.9cm), Band Width: 3.8cm