The Trakker Quick Change Ring Swivel size 11, perfect for Chod, Ronnie and Helicopter rigs. This QC ring swivel allows you to quickly change your underline. Simply attach it to the QC clip and secure with an Anti-Tangle Sleeve or silicone tube. The round ring and smooth rotation of the swivel helps with movement and improves rig mechanics. They are exceptionally strong and durable. In addition, their matte black finish ensures that your rig remains inconspicuous.