2pcs Suspension Bolts 23.5cm Hammock Suspension for Swing Set Mounting Bracket Swivel for Indoor/Outdoor Chair, Yoga Rope, Punching Bag, Sandbag, 680kg

【Widely Used】: the best anchoring solution for all indoor and outdoor suspension straps, resistance trainers, hammock swings, Olympic rings, battle ropes, yoga swings, boxing punching bags, sandbags, and other suspended equipment. 【Easy to Install】: A pilot hole must be drilled into the wood or metal beam before installation. For mounting on wood, place two tight nuts and washers on top; while for mounting on a metal beam, place one of the nuts and washers on top and the other on the other side of the beam. 【Innovative Design with Bearing】: This set of suspension bolts is designed with additional bearings in the rotation position that make the oscillation smoother and quieter during use. A strong and durable hook allows it to pivot back and forth.