DescriptionMade of metal and spring loaded active buckle, with good elasticity for absorption, wear resistance, durable to use. These round cord locks are perfect for shoelaces, backpacks, sportswear, tents, and many more uses. Great for DIY costume craft.Features- Color: Silver, Bronze, Ancient Silver. - Material: Metal. - Size: About 2.6 x 0.9 x 0.5 cm. - Metal spring loaded cord lock, wear resistance, durable to use. - Can be used for backpack, hanging rope, jeans, trousers, down jacket, suit, shoes, hat, jacket, etc. - Great for DIY costume craft supplies. - Spring loaded design, strong and durable to grip and tightening the lace and strings. - Fine craft making, not easy to rust and deform.