[Package Contents] The package contains 24 sign holder screws, 24 screws, 24 wall anchors, and each screw comes with 2 rubber pads to protect your sign. [High-quality materials] Made of high-quality stainless steel material, it is easy to use, not easy to corrode, not easy to leave scratches, and on the basis of ensuring strength and light weight. [Easy to install] The installation process of matte black acrylic screws for sign guardrails is a breeze - drill a wall hole, insert the expansion screw, fix the screw base, fix the frame, and then add the cover to complete. [Suitable size] The size of the glass holder is about 12 x 20mm/1/2 x 0.78 inches. Please confirm the size before purchasing. [Wide Application] The sign holder is an ideal choice for offices, companies, supermarkets, stores, restaurants, markets, bedrooms and other glass signs, acrylic signs, acrylic boards, acrylic photo frames, indoor and outdoor billboards, artworks. Colour:black Material:Stainless steel Package Contents: 24 * advertising screws 24 * screws 24 * wall anchors 48 * rubber pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.