Hydrostatic ball head with RC5 rapid connect system.attachment: 3/8" female thread attachment typeball friction setting: yes Colour: Blackheight: 12.00 cmindependent pan lock: yes lateral tilt: -90° / +90° tilt rangeload capacity: 12 kgmaterial: magnesium panoramic rotation: 360 °patent: pat. pending plate type: quick release sliding plate - with 1/4" and 3/8" screws + vhs pin quick release: yes secondary safety system: yes weight: 0.74 kg