Sinnofoto Q08U Exquisite CNC Shaped Camera Tripod Ball Head with 1/4 Arca Swiss Quick Fast Plate Includes Bubble Level, Max Loading 26.45lbs Ballhead for Tripod,Monopod,Slider,DSLR Camera,Camcorder 1.Material & Craftwork: Well made by the original aluminumcube and 0.25 nano-meter anodizedharmless coating to health. T6 grade high strength aircraft aluminum alloys.+- 0.1mm tolerance on the processing. 2. 2. Mini&Lightweight:2.4"*3.2"*3.7", 0.74lbs only,Ball diameter;28mm Max loading:26.45lbs 3. Scales index: 4*90 degree, 5 degree per section, Allow to use it more precise and easy 4. Safe Slot&Tuning Damping knob. Hidden safe slot under the fast plate and tuning damping knob to avoid the risk to your camera. 5. CNC full metal &Wear-resisting clamped design. The ball head was all-in-one CNC shaped and backed with 5 years by the spiral clamped structure.