Using a "Tri-Titanium" alloy compromised of aluminum, magnesium, and titanium, the Slik 700DX Pro Tripod Legs has a strength-to-weight ratio 40% greater than comparable tripods in its class. It is a very professional unit whether you're concerned with strength, fit and finish, or refinement of operation. The rapid-type center column cannot rotate accidentally, and the lever locks work securely with a minimum of movement. The 700DX has foam-padded upper segments to ease carrying on your shoulder and working in the cold, and its simple angled rubber feet give a firm footing on a wide variety of surfaces.A professional's leg set with 30.2mm maximum diameter upper segmentsDual alignment grooves on all leg segments eliminate leg twist and increase strengthIndividual 3-position leg angle locks for low angle work or use on uneven terrainRubber feet for maximum traction on a variety of surfacesWorking height of 70.1" puts camera's viewfinder at or above eye level for most usersTwo-part center column allows lower minimum operating height