Item Type: Articulating Arm Material: Aluminum Alloy Interface: 1/4 Inch Screw Size: 22 Inch Applicable Model: Universal Type Package List 1 x Articulating Arm 1[22 Inch Length] This articulating arm has a length of 22 inch, providing a more flexible using experience, you can easily position camera or phone in the desired angle and position. 2[Widely Compatible] With universal 1/4in screws on both ends, this articulating arm can be used with various accessories such as LED light, microphone, monitor, phone clamp, action camera. 3[Multi Angle Adjustment] Featuring red knobs, this arm can rotate 360 degrees, while the ballhead can rotate 180 degrees, providing flexible and precise adjustment. The ballhead has a damping ring for enhanced stability. 4[All Aluminum Construction] Made with a full aluminum alloy body, this arm is sturdy and strong, with a corrosion and oxidation resistant painted surface, ensuring reliable performance. 5[Secure Locking] The knob locking mechanism allows for quick installation and ensures a secure hold. The spring positioning pin provides additional stability, preventing any accidental loosening.