Materials: Our gold lanyard swivel snap hooks and key rings are made of quality metal material, durable, anti-rust, and designed for long-term use. Flexibility: These key chain clip hooks offer 360-degree flexibility, allowing rotation in any direction for easy use. The lanyard snap hooks feature a secure snap closure to help prevent items from falling off. Size: The total length of the gold lobster claw clasp is 31mm (1.22 inches), with a ring inner diameter of 1.1cm (0.43 inches). The key ring diameter is 2.5cm (0.98 inches). Ideal size for use in handmade craft projects. Applications: Premium swivel snap hooks and key rings are suitable for lanyards, webbing straps, keychains, handbags, purses, jewelry making, children's art projects, and other small accessories. A great choice for DIY keychain and jewelry projects. Color: Gold Material: Metal Package Contents: 50 x Gold Swivel Snap Hooks 50 x Key Rings Note: Light shooting and different displays may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error is allowed within +/- 1-3cm.