High quality pivots: completely silent, 360 free rotation without friction with sealed ball bearings, very compact and symmetrical pivots. Industrial design pivot: aluminum and magnesium alloy robust and durable. Breaking strength tested to 30kN (1000 lbs), recommended working load limit of 2000 lbs. All CE and EN certificates. The ideal gift for your friends and family, with a hanging swing. Popular for all types of swings and hangings. For use with hanging swings, chairs, hammocks, aerial fabrics, childrens swings, indoor and outdoor childrens hammock chairs, round spider web swings, swings outdoor, tree swing straps, tree swings with saucers, tree swing straps, or anywhere you need reliable, stable rotation without twisting chains or ropes. A great way to improve your swing: use with static and dynamic strings. Installed between the load and the rope or cable, it can be rotated 360 degrees without the rope twisting.