- Single-hole spring mechanism: Offers a reliable grip with an ergonomic teardrop shape for comfortable handling. The reinforced spring ensures consistent tension, effectively tightening cords for secure usage. - Advanced locking design: Features a grip teeth pattern that prevents slippage, allowing for one-handed operation and quick adjustments. It securely holds a variety of cord sizes, making it essential for effective cord management. - Versatile applications: Perfect for drawstring bags, face masks, clothing, and crafts. Compatible with cords up to 0.6 cm in diameter, it is suitable for both light and heavy-duty tasks. - Bulk pack of 50: Includes fifty black cord locks, ideal for multiple crafting projects. This convenient supply is great for small businesses, with organized packaging that prevents tangles. Whether you are crafting custom bags, securing face masks, or managing cords for clothing, these cord locks provide the durability and functionality you need. Their design ensures ease of use and reliability, making them a valuable addition to any toolkit.