Description: 【Material】: This Desk Lamp Clamp features a thickened metal base that is extremely sturdy and stable. 【Adjustable Clamp】:Desk Table Mount Clamp comes with an adjustable positioning screw for easy installation on vertical or horizontal boards. 【Protective Rubber Pads】: The contact points on both sides of the table are designed with soft rubber protective pads, making the base slip resistant and stable. The soft pads also protect your table from scratches. 【Versatile Use】: This product is suitable for microphone holder, as well as phone holders, elevated camera arms, tablet arm stands, LED desk lamps etc. 【Size】:C Clamp Base Stand is Made of metal material with dimensions of 5.51''x2.99'' and can clamp up to a thickness of 6.8cm. Size Chart: 14cmx7.6cm/5.51inchx2.99inch Maximum thickness:6.8cm/2.68inch Package Includes: 1 Table Mount Clamp (3 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.