Center Ball Head Series 3 QD is a 1.7 lbs ball head with panoramic movement that gives you full 360° rotational freedom and -90° / +40° front and lateral tilting. It is supplied with the Arca-Swiss compatible Gitzo Quick Release Plate D but also fits with all of Gitzo's D profile plates and other Arca-Swiss style plates from different manufacturers. Ideal for Series 2 and 3 Gitzo Mountaineer tripods and most other Gitzo Series 2 and above tripods.