16pcs Qrity Standoff Bolts with 25mm Long and 16mm Diameter Screws, Total Length: 25mm. Stainless steel makes the standoffs smooth and shiny on the surface, strong and modern, as well as high durability and reliability. Package: 16pcs x Standoff, with transparent rubber spacer to protect glass or signs. Qrity wall mount screws are suitable for glass panel, acrylic panel, indoor and outdoor advertising boards, photos, etc., are a good choice for office, supermarket, store, bedroom, etc. Designers often use it to DIY a simple and attractive acrylic sign, install a modern dry erase board on the wall, hang a glass painting or artwork on the wall. Note: The data are all measured manually, please allow 1-3cm error due to different light and display, there may be some color differences, please refer to the actual item received.