Koolertron professional two-dimension hydraulic photography camera fluid hydraulic head with Quick Release Plate for Tripod Monopod professional two-dimension hydraulic photography camera fluid hydraulic head with Quick Release Plate for Tripod Monopod Removable quick-release plate, comes with 1/4 "screw, suitable for all SLR cameras; ball head comes with 3/8" screw at the bottom, can be widely applied to various professional tripods . Material: aluminum Professional camera tripod Head