This is a high-quality metal clamp with a universal 1/4 screw, compatible with most cameras, LED lights, and microphones. Its rotatable ball head allows for easy angle adjustment, making it perfect for various photography needs. The clamp's opening ranges from 0-4cm, allowing it to be mounted onto many objects like umbrellas and shelves. With its big knobs and long screw design, adjustments are easy and convenient. It is sturdy, durable with a load capacity of up to 3kg. Its exquisite appearance and portability provide a great user experience. The package includes one Clamp with Ball Head. Specification: s： Color: Black Material: Metal Product Size: 11.5 * 11 * 4cm/ 4.5 * 4.3 * 1.5inch Product Weight: 227g/ 8oz Package Size: 24 * 14 * 4cm/ 9.4 * 5.5 * 1.5inch Package Weight: 231g/ 8.1oz Package List： 1 * Clamp with Ball Head Universal 1/4 screw compatibility, perfect for most cameras, LED photography lights, microphones and more. Features a rotatable ball head for easy angle adjustment to meet diverse photographic needs. Advanced clamp system can open from 0-4cm wide for mounting on various objects like umbrellas, hooks, and shelves. Large knobs and long screw design provide simple and convenient adjustments with effortless fixture or removal. Constructed from high-quality metal materials for maximum durability and a load-bearing capacity of up to 3kg.