The Shibari Ring is used as an anchor or base for your suspension rope bondage set-up. Use the ring as a central location to tether your unique configuration of knotted ropes, and connect by rope or chain to an overhead ceiling anchor. The heavy-duty stainless steel makes a sturdy foundation for whatever beautiful Shibari creation you have in mind. Measurements: 7.88 inch internal diameter, 0.68 inch thick, Material: Stainless Steel. Note: Ring has weight limit of 2000Kg