Features: With 100 pcs of high strength screws and durable plastic expansion wall plugs, this set provides reliable and long lasting support for shelves, TV brackets, heavy artwork, and more. Made with galvanized surfaces, our masonry screws are resistant to rust, corrosion, and oxidation, while the expansion wall plugs offer excellent toughness and durability. Whether you are a DIY enthusiast or a professional contractor, this screw and wall plug set is perfect for anyone in need of a secure and stable installation solution. From solid brick to gypsum boards, this versatile set can be used on various wall materials, making it suitable for hardware, kitchen tools, electrical equipment, and more. Say goodbye to wobbly shelves and unstable fixtures! This screw and wall plug set ensures a safe and stable connection, providing peace of mind for all your installation needs. Specifications: Material: PP + zinc alloy. Pipe outer diameter: 6 mm. Pipe inner diameter: 4.5 mm. Pipe length: 40 mm. Screw diameter: 4 mm. Matching drill bit: 6 mm. Screw length: 40 mm. Package Includes: 100 pcs Small Expansion Screws. Note: Please allow 1 to 3 cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences between monitors, the image may not reflect the actual color of the item.