SMOOTHLY SWIVEL HANGER - The lower loop can be fully smoothly rotated to distribute impact and allows you to circle around freely. SAFE & LARGE WEIGHTLOAD - Manufactured of 304 stainless steel with added thickness, robust and corrosion-proof to maximumly load 800LB weights. FIT CONCRETE & WOOD BEAM - The whole set comes with 1 mount bracket, 2 metal screws for wood beam, 2 bolts and anchors for concrete beam. 1 set fit most beams. VERSATILE MOUNT FOR INDOOR & OUTDOOR - The durable hanging bracket set can be used to set up indoor apparatus like boxing bag, swing chair, aerial yoga straps, gym rings and outdoor hammocks, swings, sun shade sail and more. BUY WITH CONFIDENCE - We are the manufacturer of these heavy duty hangers thus we are able to take all concerns into consideration and hep you solve any problem in an expedited way.