Features: 1. These glossy nut end covers are made of high-quality plastic, making them durable and resistant to rust. Caps cover the ends of screws to help prevent injuries and improve the appearance of exposed fasteners. 2. The black screw covers have a smooth surface without burrs, making them ideal for hiding unsightly screw heads. 3. Designed to fit hexagonal bolts and nuts, they enhance the finish of fastener heads and are easy to install and remove. 4. Provides effective rust and corrosion resistance, suitable for indoor, outdoor, or humid environments, helping extend service life. 5. All 145 dome nut covers are stored in a clear, organized storage box for easy access and component identification, saving time during use. Notice: - Actual color may vary slightly due to differences in monitor displays and lighting conditions. - Please allow 1–3 cm variation due to manual measurement. Package Size: 19.5 x 14 x 3.6 cm Includes: 145 pcs Hexagon Nut Bolt Covers