uxcell Frame Turn Button, 3/4" Metal Ridged with Screws for Hanging Pictures, Photos, Drawings and Posters, 20 Pcs (Black)

[SIZE]: 0.75" (19mm) in length, 0.33" (8.5mm) in width, 0.014" (0.35mm) in thicknes; Mounting Hole Diameter: 3mm / 0.12", [APPLICATION]: Widely used for hanging pictures, photos, drawings and posters., [EASY TO INSTALL]: No need to drill holes, just use screws to tighten the button on the photo frame. Mounting screws are included here., [NOTE]: When screwing the screw, the screw should be perpendicular to the frame surface., [MATERIAL] - Made of good quality metal, electroplating finish, anti-corrosion, good wear resistance.