Features High-Quality Stainless Steel: Crafted from premium stainless steel, these screws offer high strength, resistance, and resistance, ensuring durability and reliability for your advertising and glass fixing needs. High Precision Screw Threads: The high precision screw threads provide stable fixation and a longer service life, giving you peace of mind that your signage will stay securely in place. Buffer Rubber Circle: Each bolt is fitted with a buffer rubber circle to resist shaking, providing added stability and defence for your advertising and glass fixtures. Easy to Use Tapping Screws: Equipped with tapping screws, these fixing screws are easy to use, making installation a hassle- experience. Versatile Application: Widely used for fixing and supporting glass advertising boards, shop signs, mirrors, show shelves, and more, offering a versatile solution for your display and advertising needs. Specification: Material: Stainless Steel Wright: 88-97g/3.1-3.4oz Size (diameter*length): 19*20mm/0.7*0.8inch; 19*25mm/0.7*1inch; 19*30mm/0.7*1.2inch (Optional) Usage method: 1. Use a percussion drill to drill holes in a fixed position 2. Select a suitable expansion plug or wooden plug and insert it into the drilled hole 3. Screw off the decorative cap before fixing the advertising nail on the wall with self-tapping nails 4.According to the size, pore size and weight of advertising sign, use the appropriate self-tapping nail to fix the advertising nail. (The length, diameter and size of self-tapping nail should be considered.) Package List: 4 x Glass Standoff Pin 4 x Tapping Screw Package List