General description The 20 Pieces Advertising Screws are made of 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 walls while being rust- and scratch-resistant. Technical specifications Material: Stainless steel Dimensions: 16x30 mm 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 Can support heavy signs due to its sturdy design