Features: With reinforced clamp ensures stability for lamp or devices, featuring 12mm mounting hole and sturdy rubber pad. Engineered with double joint 360 degree rotating arm for ergonomic adjustments, protective sponges cushions to prevent surfaces scratches during positioning. For content creators requiring steady lighting setups, needing task, and professional seek workstations solution. Secures firmly on desks for office projects, clamps vertically to bed frame for nighttimes reading, or anchors workbenches during detailed crafting supplies. The aluminum build combines industrial durability with elegant functionality, offering reliability across home studios and commercial environment. Specifications: Component: Metal Color: As Picture Show Size: Diameter 1.2cm/0.47inch, Thickness 5.50cm/2.17inch Package Includes: 3pcs Desk Clamp note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.