Description: Material: Brass. The classic lobster claw snap hook with spring-close gate for extra security. Extremely durable thanks to its material, never worry about your items falling apart. With the D ring bracket, heavy duty and sturdy swivel eye. Multi-Purpose: These lobster clasp clips can be used in various applications, sports equipment, pet products, make some homemade keychains, lanyards and more! Use daily to separate your work keys. Specification: 12mm: Inner diameter: 12mm/0.47inch, Overall length: 57mm/2.24inch; 14mm: Inner diameter: 14mm/0.55inch, Overall length: 58mm/2.28inch; 16mm: Inner diameter: 16mm/0.63inch, Overall length: 59mm/2.32inch; L 20mm: Inner diameter: 20mm/0.78inch, Overall length: 79mm/3.11inch; L 26mm: Inner diameter: 26mm/1.02inch, Overall length: 79mm/3.11inch; 21mm: Inner diameter: 21mm/0.82inch, Overall length: 60mm/2.36inch; 20mm: Inner diameter: 20mm/1.18inch, Overall length: 59mm/2.32inch; 25mm: Inner diameter: 25mm/0.98inch, Overall length: 60mm/2.36inch. Package Includes: 1 Piece 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. Thanks for your understanding and enjoy your shopping moment!