Features:This Quick Release L Plate for all Benro Ballhead.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.This Quick Release L Plate System has been designed to be compatible with other brand quick release systems.Suitable for most ball heads.Built with excellent materials, offering outstanding quality.Specifications:Material: Metal AlloyColor: Matt BlackLength: 75mm (height) x 110mm (length) x 39mm (width)Width: 39mm (universal width of Arca-Swiss Standard QR plates).Mounting Screw Diameter: 1/4" (the screw size that connecting the QR plate and camera)Compatibility: Arca-Swiss StandardCompatible With:AllArca-Swiss standard quick release plates, including Benro / Arca Swiss /Markins / RRS / Kirk / Wimberley / SUNWAYFOTO and etc.Package Includes:1 X Quick Release L Plate with 1/4" Screw