High Stability - SIRUI BG40 ball head is constructed from aluminum alloy, ensuring remarkable durability and boasting a maximum load capacity of 22lbs/10kg. 40mm base diameter designed, which is compatible most tripods on the market. | Safer Quick Release Plate -The tripod ball head comes with a arca tyoe standard quick release plate for broad compatibility. h Two limited screw designed on plate, prevent the camera from falling, and also features rubber padding at the top to protect the camera from potential scratches. | Multi-angle Shooting - The tripod head is intricately laser-engraved with 360° panning scale, to indicate more precise control for 360° panoramic shooting. The ball head easily swivels and tilts for different angle shooting, including vertical, horizontal,overhead and more. | Universal Compatibilitiy - The mini ball head features 1/4 " thread QR plate screw and 3/8 " bottom screw thread, the package also comes with a 1/4" to 3/8" Screw Adapter, which make it suitable for most DSLR cameras, camcorders, tripods, sliders, monopods. | Small and Portable - BG40 tripod head heighs only 86mm/3.4 inches, weight only 280g/0.6lb. Lightweight and wide compatible, it's easy to carry and especially suitable for travel or hiking photography.