【Widely Used】: This swing ceiling mount is universally used for wooden and metal beams up to 6 inches, the best anchoring solution for all indoor and outdoor hanging straps, swing trainer resistance, hammock swing, Olympic rings, battle ropes, yoga swings, punching bag, sandbag and other hanging equipment. 【Easy to Install】: A pilot hole must be drilled into the wooden or metal beam before installation. For mounting on wood, place two tightened nuts and washers on top; When mounting to a metal beam, place one of the nuts and washers on top and the other on the other side of the beam. 【Durable & 【Stable】: Our swing suspension is made of high quality 304 stainless steel. Rust and corrosion resistant, strong enough to protect us. 【Innovative design with bearing】: This set of suspension bolts is equipped with additional bearings in the rotating position, which ensures a smoother and quieter swing during use. A strong, durable hook allows you to swing back and forth. To increase safety, we