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.Material: Metal AlloyColor: BlackSize: 9.5mm Thick, 75mm Height (Side), 134mm Long, 50mm Wide, Installation Width size:38mm (universal width of Arca-Swiss Standard QR plates).Net Weight: 160gMounting Screw Diameter: 1/4" (the screw size that connecting the QR plate and camera)Compatibility: Arca-Swiss StandardCompatible with:All Arca-Swiss standard quick release plates, including Benro / Arca Swiss / Acratech / RRS / Kirk / Wimberley and etc.Package Includes:1 x Quick Release L Plate2 x 1/4 Screw