The Sachtler SP 75 Ground Tripod Spreader fits all 75mm tripods except flowtech, Soom, and Ace M/MS, and it's used when shooting on a level surface such as a studio, city street, office, sports field, or stadium. It allows for rapid setup and pull-down by keeping tripod legs at an equal or preset distance relative to each other. The SP 75 spreader attaches directly to the bottom of a tripod's feet and its telescopic arms allow for the extension of the legs.