Features: brand new and high quality<br> High-quality materials: made of high-quality zinc alloy, durable.<br> Vernier caliper for key ring: unique and practical, making you fashionable and eye-catching.<br> Measurement: Can be used for measurement with low accuracy. For precise measurement, you can choose a professional vernier caliper.<br> Multi-purpose: can be used as a good keychain, car keychain or handbag decoration.<br> Portable: small and light design, easy to carry and put in the pocket, can be carried anywhere.<br> Special gift: This beautiful for key chain shows your romance and loyalty to the person you give it to.<br> Specifications: Material: Zinc Alloy<br> Weight: 12g<br> Size: 2.2x5cm/0.86x1.97inch<br> Keyring Diameter: 3cm/1.18inch<br> Color: Gold/Silver<br> Package Includes: 1x Mini Vernier Caliper Keychain<br> note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.<br> 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.