SUNWAYFOTO HT3230CMI Inverted Leg Carbon Fiber without Center Column , 32mm, 3 Section,69'' Tall,Load 66lb.(26kg)Inverted leg tube design ensures quick deploy of the tripod. Leg tube stopper prevents the legs from crossing when folding. 1 4 20 mounting socket reserved at the base of the tirpod apex for counterweight hook or other accessories when needed. Vent holes design effectively equalize pressure inside and outside the leg tubes ensuring smoother and quicker extension and retraction. Quick action twist locks, 1 4 turn to lock easily. Two in one tripod feet,