Usage Tips:Description: Quality Material: The lobster clasp is made of solid metal material, good texture, rustproof, durable and not easy to deformed. Easy to Use: Adopting snap buckles for moderate elasticity, can be used as a hook clip for keychains, bracelets, bunches, making lanyards, handbags, wallets, shoulder straps, backpacks, luggage straps, etc. Fine Craftsmanship: Use these lobster claw clasp to decorate your favorite plush toys or make a unique key chain charm. Great accessories to meet your DIY and handicraft needs. Bag Strap Hardware Replacement: For DIY handbag PU leather accessories. Swivel hook replacement bag charm. Well constructed, heavy duty, detachable screw design, no disassembly thread, no sewing thread, easy to install and use. Widely Used: Great for crafts, handmade, ornaments, toys, handmade lanyards, chain buckles, pendants, keychains, ornaments, plush toys, etc. Specification: Material: Metal Alloy Size: Inner Height: 2.2cm/0.87inch Inner Width: 1.08cm/0.43inch Total Height: 4.9cm/1.93inch 16mm: Inner Diameter: 1.6cm/0.63inch Rod Thickness: 2.5mm/0.10inch Suitable strap width: 1.4cmx1.6cm/0.55inchx0.63inch 19mm: Inner Diameter: 1.9cm/0.75inch Rod Thickness: 2.5mm/0.10inch Suitable strap width: 1.8cm-2cm/0.71inch-0.79inch 25mm: Inner Diameter: 2.5cm/0.98inch Rod Thickness: 2.8mm/0.11inch Suitable strap width: 2.3cm-2.5cm/0.91inch-0.98inch 31mm: Inner Diameter: 3.2cm/1.26inch Rod Thickness: 2.8mm/0.11inch Suitable strap width: 3cm-3.2cm/1.18inch-1.26inch Package Includes: 1 Lobster Clasps Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.