Quality: The rotating buckle and key ring are made of high-quality alloy, which is durable, sturdy, and built to last. Size: The snap hook is 32mm long, 1cm wide, and the inside diameter of the key ring is 2.2cm. Ideal size for DIY projects, crafts, and handmade items. Ease of Use: These rotatable closures offer 360-degree flexibility and are easy to operate. The lanyard snap hooks provide quick attachment and secure locking to prevent accidental detachment. Wide Application: Suitable for purses, handbags, dog collars, lanyards, keychains, and jewelry making. Color: Silver Material: Metal Size: Hooks 32mm, Rings 25mm Package Contents: 30 x Swivel Snap Hooks, 30 x Key Rings Note: Light and screen display settings may cause slight color variations compared to the actual item. Measurement allows an error of +/- 1-3cm.