Features： The clamp with positioning screw can be easily mounted to desks up to 5cm/1.96inch thick. Mainly made from aluminum alloy can hold the microphone stand tight sturdy and durable. -scratch foam rubber pad design protecting the surface of desk. Φ12mm suitable for general threaded end microphone arm stands. C-shaped mounting clamp is perfect for live broadcasting karaoke online course teaching school or public events etc. Exquisite workmanship stylish appearance design giving you great user experience. Specifications： Color: Black Material: Aluminum alloy & Product Size: 12 * 7 * 5cm/ 4.72 * 2.75 * 1.96inch Product Weight: 137g/ 4.81oz Package Size: 14 * 10 * 3.5cm/ 5.51 * 3.93 * 1.37inch Package Weight: 138g/ 4.88oz Package List： 1 * Clamp 1 * Knob