Set of 12. 1 in. Dia. x 1 in. L. Aluminum Sign Standoffs, Clear Anodized Finish. Use for wall mounting signs, architectural plaques, acrylic panels, photographic frames, artwork, etc. Made of high grade solid aluminum with quality clear satin anodized plating 3-PART STANDOFF. Includes Standoff Barrel, Screw Cap, and Coupling Anchor. Set of 12. No. 8 Screws and Anchors also included. Size: 1 in. Dia. x 1 in. L Panel Thickness: up to 1/2 in. Stud Thread Size: M8 x 1 - Panel Hole Dia.: 5/16 in.