Standoff screws: the screws size about 25 x 40 mm/ 1 x 1 - 5/8 (Diameter x Length), screw thread length is about 3/ 4 inch (19 mm), please confirm the size before purchasing Durable: the standoff nail is made of stainless steel, which ensures strength and lightweight on the basis of lightweight and easy to use, rustproof, scratch-proof and corrosion-resistant, support for you to use for long-lasting usage Easy to install: install the plastic expansion tube into the wall and fix the standoff screw with screw, the contact surface between the screw and the product is protected by rubber pad; Warm notice: screws require a screwdriver to assist the mounting of the standoff nails Rang of use: the wall standoffs screws are good choice for company, office, supermarkets, store, shops, markets, bedroom, such as glass sign, acrylic sign, acrylic plate, acrylic picture frame indoor and outdoor advertising boards, photo Quantity: package include 8 pieces 1 x 1-5/ 8 inch sign holder standoff screws, 8 pieces screws and 8 pieces wall anchors, each standoff screw has 2 pieces rubber cushion to protects your signs Durable: The standoff nail made of stainless steel, ensure strength on the basis of lightweight and easy to use, rustproof, scratch-proof and corrosion-resistant, support for you to use for long-lasting usage Easy to install: Install the plastic expansion tube into the wall and fix the standoff screw with screw, the contact surface between the screw and the product is protected by rubber pad Wide application: The wall standoffs screws are good choice for company, office, supermarkets, store, shops, markets, bedroom, such as glass sign, acrylic sign, acrylic plate, acrylic picture frame indoor and outdoor advertising boards, photo Specification: Material: stainless steel Screw diameter (approx. ): 1 inch/ 25 mm Screw length (approx. ): 1-5/ 8 inch/ 40 mm Screw thread length (approx. ): 3/ 4 inch/ 19 mm Color: as pictures shown Quantity: 8 pieces Package includes: 8 x Sign holders standoff screws 8 x Screws 8 x Expansion screws 16 x Rubber cushion Warm notice: Screws require a screwdriver to assist the mounting of the standoff nails.