Applicability --- The size of the clamp holder: approx. 9.5 * 6.3 * 2.8 cm / 3.7 * 2.5 * 1.1 inch, there are 1/4 inch and 3/8 inch threaded mounting holes for installing various devices of photography. Function --- The clamp mounting seat has a strong clamp design, which can easily clamp objects with a diameter of less than 45mm, such as desks and computer stands. lamp. The rubberized tip of the clamp protects the clamping surface and improves stability. High Quality Materials --- The fixture mounting seat is made of high quality aluminum alloy, which features the characteristics of long-lasting performance and durability. It has undergone fine surface treatment to ensure reliable performance and long service life. Our light fixture mounting seat is more reliable and safer. It is your ideal choice. Easy to Use --- The light stand is stable and firm, and the maximum load can reach about 2.5 kg. It is very convenient to use and is a good accessory for photography enthusiasts.