3 Legged Things newest professional Air Hed is a beautifully crafted multi-functional ball-head precision engineered from aircraft-grade magnesium alloy & furnished with stainless steel fixings. Control. The Air Hed 360 comes with an unprecedented level of control with two pan functions our strongest locking system yet & smooth precision action. The ergonomic grip of the main control knob makes it easy to hand tighten the Air Hed & with a working load capability of 40kg it is one of the strongest ball-heads in the world. Design. Designed with a traditional base pan-&-lock mechanism which allows for smooth panning even under load. The unique pano-clamp also enables panning from the top for when the ground is uneven & it is impossible to get the Air Hed level now you can just level the clamp & still pan smoothly on a flat plane. The Air Hed 360 incorporates 3 Legged Things innovative modular design enabling users to detach the pano-clamp for use on any 38 device. Compatibility. The Air Hed 360 comes with the QR3P Release Plate which is both Peak Design & Arca Swiss compatible. The Air Hed 360s pano-clamp is compatible with all standard Arca Swiss release plates.