Novoflex Camera L-Bracket for Q-SYSTEM (QPL-Vertikal) Univ. L-Bracket w/Arca-Style dovetail on the outer edges, quick change from landscape to portrait. Dimensions: 5.23x5.23 Wt.8.1 oz. Connection: 1/4 screw L-bracket for Q system (ARCA compatible) Precision Made Dimensions: 5.23x5.23 inches Weight: 8.1 ounces Connection: Camera screw 1/4 inch