TITLE Classic Heavy Bag Chain & Swivel - Up to 80 lbs Solid stainless steel chain links and pro style swivel Solid steel with zinc galvanization Pro style swivel allows heavy bag to naturally move and spin without bunching or knotting Includes four end S-Hooks for fast and convenient attachment, fits heavy bags with four top D-rings Ideal for heavy bags up to 80 lbs. 18 Length.