Durable and stable: Made of aluminum alloy and ABS plastic material, durable to use Neat table top: Special design keep the table top organized, providing a neat table top and stylish appearance for a comfortable working environment Easy install: The clamp can be adjusted by rotating screws to fit different tables without other tools Height adjustable: Bracket height can be adjusted by rotating shaft rod knob, make the lighting equipment rise and fall easily and steadily. (Working height of extension pole; 33~60cm) Four 1/4 inch screw: The C-shape clamp support features four 1/4 inch screws at top / side / bottom, multiple different photography equipment can be mounted on this stand, such as led ring light, mini led light, smartphone, flash light C-shape clamp with thick rubber padding: No-slip rubber pad around the 1/4 inch screws protect your device from scratching; Thick rubber in the clamp guarantee the stability Adjustable clamp jaw: Can be adjusted up to 60mm. Suitable for accessories with a diameter less than 60mm, like a table, tube, bike, umbrella, etc. Widely used: This adjustable desktop lamp holder is great for supporting ring lights, cameras, smartphones, video lights, it can help you whenever you need extra light for making up, taking photos, making videos, reading books, and live streaming