Tsunami Centro Stainless Steel Rolling Swivels are extremely reliable! These pro level swivels have an excellent size to lb test rating and are perfect for a wide range for freshwater and saltwater fishing applications. Tsunami Centro Swivels virtually eliminate line twist with their smooth rotation. If you’re looking for a top of the line swivel, this is it. Anglers like John Skinner fish them because they are strong, reliable and get the job done!