1. Made of high quality CNC aluminum alloy body material, can support up to 15kg load. 2. Detent interval can be changed easily and smoothly; Ideal for high-dynamic range(HDR) panoramas and time sensitive situations. 3. 3/8 inch thread in the bottom, can be mount on tripod directly. 4. Non-slip quick release plate with 1/4 inch screw. 5. Two knobs for locking top platform and panning base rotation. 6. With 5/10/15/20/24/30/36/45/60/90 degree choice, choose a suitable angle depend on your lens. 7. With carry bag, convenient and easy to carry anywhere.