Gitzo launches a new generation tube, 30% lighter than the previous one, with built in Anti Leg Rotation system (ALR) and 1,2 mm thick wall. It features a black matt brushed finish that improves leg locking performance and minimises light reflection alloy castings. Gitzo uses the best quality aluminium and all castings are made with gravity casting technology. Gravity casting is more expensive than pressure casting, but guarantees rock solid and air bubble free top quality components.
http://www.gitzo.com/Jahia/site/gitzo/pid/4697?rId=3