uxcell Frame Turn Button, 1/2" Metal Round with Screws for Hanging Pictures, Photos, Drawings and Posters, 50 Pcs (Black)

[SIZE]: 0.47" (12mm) in diameter, 0.02" (0.5mm) 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.