Compatible with most microphone boom arm scissor arm mounts, as well as some boom phone mounts, overhead camera arms, overhead phone arms, tablet arm mounts, and LED desk lamps. Made of iron material, durable, firm, and stable. Features -Color:Black -Material:Iron -Size:9.00X8.20X4.60cm/3.54X3.22X1.81in -Note: The maximum clamp is 6.3cm - With an adjustable positioning screw, this clamp can easily clip to a desktop. This is convenient to install. - The adjustable clamp allows for a comfortable viewing angle, making it easy to use whether you're in bed or at your desk. - A versatile design that can be used in various settings, such as on table, or desk, for holding smartphones and tablets. - This metal desk clamp is widely used for desks, tables and chairs, workstations or recording stations. - Ergonomic adjustable clamp, you can adjust this mount clamp conveniently and effortlessly. Package list: 1 x clamp