Features: S shaped anti slip structure Double hooks at the top and bottom fit the support rod, tightening as weight is applied to prevent accidental slippage. Dual size hook design The larger hook has a strong load bearing capacity, while the smaller hook offers precise hanging, easily accommodating different ring sizes. Specifications: Material: metal Color: black about Size: about 18 inches Package includes: 24 x S hooks Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.