【High Bearing Capacity】The KB55 uses a 55mm super-large sphere, the ultimate diameter of the ball gives it ultimate weight capacity and stability，Max Load 88lbs /40kg.The master lock knob features stainless steel ball bearings for a lifetime of silky-smooth control and powerful locking. | 【Drag/Friction Knob Design】Drag/Friction knob for better control of the tension.Enjoy control and consistency with the micrometer drag tension adjustment, guaranteeing repeatable and reliable performance in every shooting scenario.Precise motion control for accurate composition. | 【Dual Drop-notches Design】The KB55 offers up to 45-degrees of tilt in all directions, and up to 90-degrees in the two drop-notches. Dual drop-notches allow maximum flexibility for positioning the camera for portrait-orientation or extreme angle shots. | 【High-quality Materials and Superb Craftsmanship】The tripod ball head was made of high strength aluminum alloy, advanced CNC manufacturing process and surface anodizing treatment technology, CNC machined components for exacting precision and dependability. It is very strong and durable. | 【Wide Range of Applications】Removable quick-release plate, comes with 1/4” screw and safety lock, suitable for most DSLR cameras, camcorders,telescopes; the bottom screw hole is 3/8”, can be widely applied to various professional tripods, monopod, slider and other stands.