Leofoto P-LH47 Tripod Head Quick Release Base Plate (2.4") For Rapid Tripod Head Exchange, Arca-Type Dovetail Design, CNC-Machined 6061-T6 Aluminum, Type II Black Anodized Finish, 3/8"-16 Mounting Screw, Two M6 Anti-Twist Screws TRIPODS PHOTO-Camera...