Package contents: 110 screws in 6 sizes with 110 matching expansion tubes, plus a clear storage box for easy organization and transport. Durable and reliable: wall plugs designed for brick are plastic; screws are zinc-plated carbon steel. They are rust-resistant, sturdy, and designed to withstand harsh environments such as high temperatures, cold weather, and high humidity. Compatibility and performance: the screw and expansion tube set is specifically for brick masonry use, with 6 screw sizes providing flexibility to suit different tasks. The included tubes match the screws for secure anchoring. Notes: color may vary from pictures due to lighting and screen differences. Please allow 0.5-2 cm differences in measurements due to manual sizing. Use scenarios: - Hang picture frames or light fixtures on brick walls. - Install shelves or brackets in homes, garages, or workshops on masonry surfaces. - Mount lightweight fixtures in areas with fluctuating temperatures or humidity, where sturdy anchors are beneficial. What you will get: 110 screws in 6 sizes, 110 expansion tubes, and a clear box for storage and carrying.