- Made of iron material and electroplating finish, anti-corrosion and durable to use.- Comes with screws for easy installation.- Pre-drilling is advised. - If you ever want to remove the picture or screen, simply loosen the screw and turn the button for a quick release.- Ideal for securing pictures in frames or screens in windows. Specification:Material: IronFinish: ElectroplatingMaterial Thickness: 0.35mm / 0.014"Total Size: 23mm x 6mm x 3.5mm / 0.91" x 0.24" x 0.138" (L*W*H)Mounting Hole Diameter: 3mm / 0.12"Screws Size: 3mm x 9mm / 0.12" x 0.35"(Threaded.D*L) Package Content:20 x Photo Frame Turn Buttons 20 x Screws .
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