KONMAY 5 Sets 10.0X4.0mm Hook Bracelet Clasps Set for Braclet Wrapping, Shiny Rhodium Material: zinc alloy/zamak, lead and nickel free Hole size: appprox. 10.0x4.0mm, fits the 4.0mm leather cord Color: Shiny Rhodium Each pack includes 5 sets, includes one clasp and one spacer This clasp is great for leather wrapping braclets making,easy to use