Uxcell M6 Swivel Eye Double Ended Round Ring Rotating Hoist Eye to Eye Bolt 5pcs - Walmart.com
Amazon.com: 2+1 Heavy Duty 304 Stainless Steel Swivel Ring Double Ended Swivel Eye Hook with SUS304 Snap Hooks for Web Tree Swing, Swing Spinner Hanger, Reliable and Safe (M6) : Toys & Games
Shackle hoist ring - SS.DSS - Codipro - double articulated / 360° swivel / male