Main Color: Silver Tone; Package Content: 16 x Curtain Hook Clip SetProduct Name: Curtain Hook Clip; Material: MetalWeight: 63g; Mouth Max Width: 10mm/0.4"Total Length: 60mm/2.4"; Clip Size: 31 x 9 x 12mm/1.2" x 0.35" x 0.5"(L*W*H)Hook Opening Width: 13mm/0.5"; S Shaped Hook Bar Dia.: 2mm/0.08"Constructed of strong metal material for durability.Multi-purpose, perfect for hanging photos, drapes, curtains and many other home uses.You can hang them on any rail with 13mm diameter .