Usage Tips:Features: Discover our Universal American Key Blank, fit a wide range of locks and perfect for quickly crafting spare keys. Make from zinc alloy, this key blank is resistant to wear and corrosion, ensuring precise cut for smooth and reliable operate. For homeowners, property managers, and professional who frequently need key replacements. Suitable for use in homes, offices, and retail stores, providing a convenient key solution for everyday life. Enhances your security and convenience with this essential addition to your collection. Specifications: Material: Zinc Alloy Diameter: About. 0.368cm/0.14in Package Includes: 1pc Handcuff Keys note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.