Specifications:Magic Arm:One side has 1/4" screw connecting to monitor, LED light or other accessories.Another side is hot shoe square mount that can be easily mounted onto your DSLR camera.And this hot shoe mount is removable to become another 1/4" screw, so both end are 14" screw that you canconnect to different equipment.Very good for mounting monitor onto DSLR Camera.Easy to install, each joint is adjustable, and all of them is locked with one knob.The whole arm can be adjusted at all angles.Clamp:Material: Aluminum-magnesium AlloyCompact, strong and versatile, grips a tube and includes a 1/4" and 3/8" thread for mounting your light, arm, studor other accessory.1/4" and 3/8 female mounting threads.Opening and Closing Length: Maximum: 52mm/2.05", Minimum:15mm/0.59" (Approx.)Notes:Due to the light and screen setting difference, the item&39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Included:1 x 11" Magic Arm1 x Clamp(Camera is not included.)