High quality material: Both ends of the swing swivel are made of high-strength 7075 aluminum magnesium alloy, heavy duty, high strength, very durable, wear resistant, corrosion resistant. The intermediate bearing is made of high-carbon and high-chromium alloy steel with high strength and no rust. The surface is anodized and not easy to fade. The highest quality swing swivel ensure long term use in outdoor humid environments.Specification: Minimum Breaking Strength: 35kN/ 7688 lbs. Size: 3.3 x 1.5 inch. Weight: 0.16 lb. Light weight & Easy to carry.Unrestricted RotationCompletely silent, no noise, make your use more quiet and comfortable. The SEPEAK swing swivel is frictionless and rotates 360freely. Using sealed alloy steel ball bearings, the swing swivel is very compact and symmetrical at high speeds and prevents rope/chains kinking, hockling and twisting.CE Safety certification: CE1019 Certified, identical to EN352:2011 and EN365:2005 standards. Professional fracture strength testing allows you to confidently use SEPEAK swing swivel anywhere without any worries.Suitable for Various ScenariosIf you like yoga and boxing, it can bring you the perfect feeling of use; If you need to install a swing, hammock, air silk, tire swing, tree swing, hanging swing, disk swing, net swing, chair swing, children's hammock chair, SEPEAK swing swivel will make your family will have a lot of fun. Also suitable for professional climbing and rescue, supporting multiple carabiners and a variety of rigging. It is also perfect to attach the swing swivel to your dog's leash and their harness to allow them to turn freely.