Lengthen Quick Release L Plate Bracket Handle for Professional Tripod Monopod Ball Head for Sony A7R3 A7R2 A9 A6000 D850 A800 Universal Quick Release L Plate (Arca Swiss fit) Made of aluminum with rubber pad Features: This quick release L plate extends for all ball heads. Safety screws installed on both sides to prevent the camera from falling by accident. You can change screw location to fit different cameras. This quick release L-plate system was designed to be compatible with other brands' quick release systems. Fits most bullet heads. Constructed with excellent materials, providing exceptional quality. Material: Metal Alloy Color: Matte Black Length: 75mm (height) x 130mm (length) x 39mm (width) Width: 39mm (universal width of arca-swiss Standard QR plates). Mounting screw diameter: 1/4" (the size of the screw that connects the QR plate and the camera) Compatibility: Arca-Swiss Standard Note: When your camera uses the L-bracket, the side slot of the camera is not accessible. Thanks. Compatible with: All arca-swiss standard quick release plates including Benro / Arca Swiss / Markins / RRS / Kirk / Wimberley / SUNWAYFOTO and etc. Package includes:< br>1 X Quick release L plate with 1/4" screw