Features: Security screws installed on both sides to prevent the camera from falling by accident. You can change the location of the screw to fit different cameras . This quick release L-plate system has been designed to be compatible with other brands quick release systems. Built with excellent materials, providing exceptional quality . Compatibility: for All standard Arca-Swiss quick release plates, including Benro / Arca Swiss / Acratech / RRS / Kirk / Wimberley. Specifications: Brand: MINIFOCUS Material: Aluminum Alloy Color: Matte Black Mounting Screw Diameter: 1/4" (the size of the screw that connects the QR Plate and camera) Item size: 132*50*125mm Item weight: 160g Package List: 1*L Backing Plate 3*1/4'' Screws 2*Mini Wrench (Camera and ball head tripod are not included) UNIVERSAL APPLICATION This camera vertical L mount comes with 2 plates, a shorter one as a base plate and a other longer as side plate, both of them are with standard arca-swiss slot (width: 38mm), suitable for video tripod head and video tripod head for vertical shooting < br>STANDARD 1/4 INCH SCREW With 1/4 inch screws, this L mount can be used on gimbal stabilizer like DJI Osmo Ronin Zhiyun Smooth; perfect solution for Instagram, IGTV vertical video shooting; Note: None of the plates have 3/8 screw holes. Only equipped with 1/4 inch screw holes