Material: Zinc Alloy, lead, nickel and cadium free Glue-in style clasps, easy to use, the two ends are connected by spring ring Hole Size: 9.0mm. Color: Antique Silver Each pack includes 3 sets Glue-in style cord bracelet end clasps, easy to use, great for leather cord, kumihimo braiding, ropes, survival bracelets making etc. 3 Sets Dia. 9.0mm Antique Silver Dragon Head Leather Bracelet End Cap with Spring Clasp - Lead, Nickel and Cadmium Free