Fotga PU100 Quick Release Plate for Arca Swiss Benro Tripod Ballhead Suitable for most ball heads,such as Benro, Arca Swiss standard ball heads Material: Metal Alloy with Matt Black. PU-100: L100W38H10mm Mounting Screw Diameter: 1/4" (the screw size that connecting the QR plate and camera) Package included: PU-100 Quick Release Plate x 1, 1/4" Mounting Screw x 2 Compatible With: All Arca-Swiss standard quick release plates, including Benro / Arca Swiss / Acratech / Kirk / Wimberley / Gitzo / Manfrotto and etc.