- Constructed from plastic material, lightweight, durable, non corrosive, non conductive.- 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: PlasticMaterial Thickness: 1.6mm / 0.063"Total Size: 19mm x 8mm x 2.4mm / 0.75" x 0.31" x 0.094" (L*W*H)Mounting Hole Diameter: 2mm / 0.08"Screws Size: 2.5mm x 8mm / 0.098" x 0.31"(Threaded.D*L) Package Content:20 x Photo Frame Turn Buttons 20 x Screws .
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