The gitzo gh2750 is a series 2 off centre magnesium ballhead with a completely re engineered interior this head introduces new gitzo technologies and is around 15 lighter than the previous model the gitzo off centre ballhead is tailored for use with series 2 and series 3 tripods and features safe grip material assuring a safer lock between the camera and the head plate other features of this gitzo head are its fantastically smooth rotation positive locking and rapid camera mounting