Manfrotto 190CXPRO4 4 Section Carbon Fiber Pro Tripod Legs Kit, with Adorama Deluxe Tripod Case, Double Bubble Level, Tripod Hanger All the locking levers and main castings have been redesigned to allow not only for a beautiful product, but many ergonomic improvements as well as lightness and reliability The 190CX Pro Series incorporates the use of 100% carbon fiber tubes for the legs and the center column All central castings are made with magnesium adding to the overall light weight and performance of the tripod. Much like the aluminum 190XPROB, the new 190CX has the innovative Q90 (quick center column system). The CX PRO versions include the new tri-faceted 100% carbon fiber tube slides making it easier to go from vertical to horizontal position. Manfrotto incorporates new rounded legs which are 100% CARBON FIBER TUBES for improved rigidity and lightness.