1、57cm Articulating Arm: The arm extends up to 57cm in length and can be folded to a compact 25cm, 2 section making it convenient for video shooting and expanding the use of microphone, lighting, monitors, and other equipment. 2、1/4in and 3/8in Screws: Compatible with a wide range of accessories such as lighting, microphone, monitors, smartphone clamps, DSLR cameras, mirrorless cameras, action cameras, etc. The arm is sturdy and can support up to 2kg. 3、Adjustable Angle: The arm can be rotated 360 degrees and securely locked in place using the knob. The ball head can rotate 180 degrees and provides high stability with a damping ring. The ergonomic design allows for easy adjustment to meet various viewing needs. 4、Desktop Clamp: The clamp can be widely used for attaching lights, umbrellas, hooks, shelves, glass panels, horizontal bars, tables, and other objects with a thickness of less than 50mm. The rubber pad at the opening helps to securely grip the object. The clamp can open up to 50mm maximum and 10mm minimum. 5、Wide Range of Applications: The versatile and adjustable arm is suitable for various applications, including smartphone live streaming, photography, overhead shooting, and more. 1 x Articulating Arm Phone Mount  1 x Desktop Clamp Item Type: Articulating Arm Phone MountMaterial: Stainless Steel, Aluminum AlloyWeight: Approx. 537g / 18.9ozLength: 57cm / 22.4inStorage Length: 25cm / 9.8in