Nitoms Convenient Hook H2550A hook that can be hung by attaching it to a table, pole or seam.With a lock mechanism that makes it difficult to come off when attached to a pole. The standard size of the pole that can be installed is 2.8 cm or less, and the standard for the table, frame, or window frame is 3.5 cm or less.Size: Width 56mm x Height 107mm x Depth 14mmQuantity: 2pcsMaterial: ABS resin stainless steelHook limit load: 4Kg