General description The 20 Pieces Advertising Screws are made from high-quality stainless steel, ensuring exceptional durability and reliability. These wall mounts are designed for glass standoff signs and posters, providing a sleek and modern look to your displays. The hollow design allows for a sturdy hold, capable of supporting heavy signs while maintaining a flat and glossy surface. Technical specifications Material: Stainless steel Dimensions: 19x30MM Installation Includes screws and expansion tubes for easy installation Simply drill a small hole in the wall to mount the billboard Usage Ideal for displaying artwork and photos Suitable for businesses, offices, supermarkets, shops, art exhibitions, and homes Perfect for billboards