【High-Quality Material】Ball shape plastic toggles made from premium pp plastic, these black cord locks are lightweight yet sturdy, ensuring long-lasting performance and reliable cord management for everyday use 【Single Hole Design with Spring】Black single hole spring cord locks featuring a single hole and an integrated metal spring, these cord locks provide smooth and easy adjustment to securely hold cords in place without slipping 【Includes Threading Tool】Each pack comes with a handy threading tool to help easily feed cords or shoelaces through the ball shape plastic toggles, making the process faster and more convenient 【Versatile Applications】Ball shape plastic toggles ideal for elastic cords, drawstrings, shoelaces, backpacks, jackets, hats, tents, and more, offering a practical solution for outdoor gear and clothing 【Convenient 30-Pack with Practical Size】This set includes 30 black cord locks measuring approximately 18mm x 23mm with a 7mm inner hole, perfectly sized for most cords, stored for easy access and replacement