Material: Metal Color:May Vary to the Stock,Customer May not Choose Feature: Lobster claw clasps are commonly used to secure necklaces, bracelets and anklets.Clasps that attach to a good sized loop that you can handle easily--or to a rigid piece--are easier to handle. Note: The color display on your monitor may slightly differ from the actual product according to color setting of different monitors, environment and light Size: 12x7mm,hole size:1mm