Specification: New and high quality. Product name: spring clamp. Material: 65# manganese steel. Size: as photo. Color: as photo. Surface treatment: galvanized, boiled black, Dacromet. Application: protection for industrial transportation, chemical petroleum, pharmaceuticals, ships, etc. Package Included: 10Pcs. Note: 1. Due to manual measurement, please allow an error of 1-3mm. 2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.