Standoff Mounts Size: Diameter: 0.748 inch, length: 0.98 inch, cap height: 0.157 inch, thread size: 0.86 x 0.31 inch (length * diameter). - Standoff: Made of high-quality stainless steel with a brushed finish, corrosion-resistant and scratch-resistant. Mounting Hardware Kit: Includes 8 pcs sign standoffs, 16 pcs rubber spacers, 8 pcs screws, and 8 pcs wall anchors. All necessary components included. Glass Acrylic Nails for Glass Artwork and Sign Display: The acrylic sign holder is designed to support panels of acrylic, wood, aluminum, organic glass, modern dry erase boards, glass paintings, or artworks on the wall. Suitable for use in offices, supermarkets, shops, bedrooms, museums, restaurants, and more. Easy Installation: Install the plastic wall anchors into the wall and secure the standoff screw. The contact surface between the screw and the product is protected by rubber spacers. (Use a screwdriver for mounting assistance.) Size: 19 x 25mm Material: Stainless steel Color: Black Package Contents: 8 x Glass Standoff Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.