The MK293A3-A0RC2 is the intermediate 3 section kit combined with the detachable aluminum ball head. It is the best solution for light weight and rapid movements. The anti-shock collar protects your camera from accidental impact, while the 3 faced design center column prevents rotation to allow for increased accuracy and steadfastness. The leg locks provide a rock-solid support and with their innovative adjustability they provide a consistent and excellent performance. Leg section diameters in mm: 22.5, 19, 15.5. Closed Length 17.8";Maximum Height 62";Maximum load capacity 8.8lbs;Weight 3.7lbs.