Durable: The standoff nail is made of stainless steel, ensuring strength, lightweight design, rust resistance, scratch resistance, and corrosion resistance for long-lasting use. Easy to install: Insert the plastic expansion tube into the wall and secure the standoff screw using a screwdriver. A rubber pad protects the contact surface between the screw and the mounted item. Recommended applications: Wall standoffs are suitable for use in offices, supermarkets, stores, shops, markets, and bedrooms. Ideal for mounting glass signs, acrylic signs, acrylic plates, acrylic picture frames, and indoor or outdoor advertising boards or photos. These standoff screws are perfect for hanging glass artwork or paintings on walls and serve as ideal decorative accessories for offices, supermarkets, stores, bedrooms, and more. Color: Silver Material: Stainless steel Size: 12x20 mm (brushed), 12x25 mm (brushed), 12x22 mm (brushed), 12x30 mm (brushed) Package contents: 40 x standoff nails Note: Light reflection and display variations may cause slight color differences between the image and the actual product. Measurement tolerance: ±1–3 mm.