About ThisRELIABLE QUALITY - This swing hangers is made of premium aluminum alloy(Rust free) for extra durability with multiple color selection. Extra bottom hardened processing to against terrible weather.- Well protection against rust and burrs.BEARINGS STRUCTURE - This swing hangers takes specially designed high quality bearings which could rotate really smoothly, quiet with no squeaking.EASY TO INSTALL - Assembled with complete accessories for installation including two competitive 4/5 inches diameter screws, two 4/5 inches diameter * 3.5 inches length oval hook two washers and a bottom sticker to help you better screwsVERSATILITY - Wide range of applications, could be used for swings, yoga belts, boxing sandbags, cradle beds, etc.PURCHASE WITHOUT WORRIES - Ultimate selection for majorities after market selection. Excellent quality enable us to promise If for any reason you decide that this swing hangers is not for you, send 1 simple email and receive a 100% money-back refund, absolutely no questions asked.OverviewMaterial : Aluminum AlloyHead Style : OvalExterior Finish : AluminumThread Size : 0.8 inchesMetal Type : Aluminum