Safe and durable - These key ring accessories are made of quality metal materials, lightweight, sturdy, safe, and durable for long-term use. They retain their shape and color and are not prone to deformation. Flexibility: This twist lock keychain can rotate 360 degrees without tangling, allowing for safe use. The lanyard snap hook is a quick-lock accessory that helps keep your items secure. SIZE DETAILS: Each lobster clasp measures 31mm (1.22 inches) in length, with a ring inner diameter of 1.1 cm (0.43 inches). The key ring diameter is 2.5 cm (0.98 inches). These rings can be given as gifts to family or friends who enjoy DIY projects, allowing them to enjoy handmade crafts with loved ones. This is a practical and complete combination set that meets jewelry-making needs. Suitable for various handmade craft projects such as keychains, pendants, jewelry, and other hanging ornaments. These swivel keychain snap hooks and key rings are ideal for use with purses, handbags, dog collars, lanyards, and more. Material: Metal. Color: As shown. Package Contents: 70 x swivel snap hooks (10 per color), 70 x key rings (10 per color). Note: Light reflection and differences in display screens may cause slight variations in the color shown. Measurement may vary by +/- 1-3 cm.