Description: Magic Arm: 1/4 interface and 3/8 interface, which can easily install or adjust . Material: Made of high quality aluminum alloy, rust proof and durable. Black surface treatment,wear resistant. 360 degree rotation, any angle can be adjusted as need With Non Slip Rubber Pad: it can increase friction, reduce scratches, and install more tightly, firmly and stably. Strong Load:Small and portable, ideal for live broadcasts, selfies, travel, and more. Compatible Devices: for DSLR camera, action camera, Specification: Applicable: Universal Material: aluminum alloy Size Chart: Magic arm 82cm/32.28inch, metal claws clip range 1.5cm-5cm/0.59inch-1.97inch, phone clip range 5.5cm-8.5cm/2.17inch-3.35inch Magic arm 82cm/32.28inch, metal claws clip range 1.5cm-5cm/0.59inch-1.97inch, tablet clamp range 7cm-22.5cm/2.76inch-8.86inch Magic arm 59cm/23.23inch, metal claws clip range 1.5cm-5cm/0.59inch-1.97inch, phone clip range 5.5cm-8.5cm/2.17inch-3.35inch Magic arm 59cm/23.23inch, metal claws clip range 1.5cm-5cm/0.59inch-1.97inch, tablet clamp range 7cm-22.5cm/2.76inch-8.86inch Package Includes: 1 Piece Magic Friction Arms 1 Piece Metal Claws 1 Piece Clip Note: Please allow slightly errors due to manual measurement and different monitors.