Features:_x000D_ _x000D_ Made of high quality stainless steel, high strength, rust resistant and corrosion resistance. _x000D_ High precision screw threads for stable fixation and longer service life. _x000D_ Each bolt is equipped with buffer rubber circle to resist to shake. _x000D_ Equipped with tapping screws, easy to use. _x000D_ Widely used for fixing and supporting glass advertise board, shop sign, mirror, show shelf, etc. _x000D_ _x000D_ Specification:_x000D_ Material: Stainless Steel_x000D_ Wright: 88-97g/3.1-3.4oz_x000D_ Size (diameter*length): 19*20mm/0.7*0.8inch; 19*25mm/0.7*1inch; 19*30mm/0.7*1.2inch (Optional)_x000D_ Usage method:_x000D_ 1. Use a percussion drill to drill holes in a fixed position_x000D_ 2. Select a suitable expansion plug or wooden plug and insert it into the drilled hole_x000D_ 3. Screw off the decorative cap before fixing the advertising nail on the wall with self-tapping nails_x000D_ 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.)_x000D_ _x000D_ Package List:_x000D_ 4 x Glass Standoff Pin_x000D_ 4 x Tapping Screw