Safe Screw installed in both side to prevent drop of camera by accident.You can change the location of the screw to fit different cameras.Universal designed to be compatible with other brand quick release systems.Built with excellent materials, offering outstanding quality.Type: Quick Release PlateMaterial: Aluminum AlloyFeatures: Easy to Use, Durable, Quick ReleaseMounting Screw Diameter: 1/4"Length: 50mm/1.97" (Approx.)Width: 38mm/1.5" (Approx.)Thickness: 10mm/0.39" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Included:1 x PU-50 Quick Release Plate