Safe and durable - These key ring accessories are made of quality metal materials, which are 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: The length of each lobster clasp is 31mm (1.22 inches), and the inner diameter of the ring is 1.1 cm (0.43 inches). The diameter of the key ring is 2.5 cm (0.98 inches). This set can also be given as a gift to family or friends who enjoy DIY projects, allowing them to enjoy handmade crafts with loved ones. It is a practical and complete combination that meets jewelry-making needs and can be used in various handmade craft projects, such as keychains, pendants, jewelry, and other hanging ornaments. These swivel keychain snap hooks and key rings are suitable for use with purses, handbags, dog collars, lanyards, and keyring making. Material: Metal. Color: As shown. Package Contents: 70 x swivel snap hooks (10 per color), 70 x key rings (10 per color). Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement allows an error of +/- 1-3 cm.