The P-A3 Stainless Steel Swivel is specially designed to support heavy bags that have four top D-rings, and it has a weight capacity of up to 100 lbs. This swivel is equipped with thicker and more durable stainless steel chain links, and it also features a pro-style swivel with a zinc galvanized finish, providing extra strength. Its design enables the heavy bag to move and rotate naturally without tangling or forming knots. The package includes four high-strength S-Hooks that make it easy to attach. The swivel is 24 inches long and is perfect for heavy bags with four top D-rings.