Add the appropriate clamps to use this AM-7 Magic Arm from Leofoto to position devices or accessories right where you need them. One end of the 21" articulating arm has a locking 3/8"-16 mounting screw, swivels 360°, and tilts 90°. The other end has a 1/4"-20 mounting screw and tilts 90°.AM-7 Magic Arm Specifications: Folded length: 310mm / 12.2 inchesWidth: 70mm / 2.76 inchesThickness: 29mm / 1.14 inchesWeight: 0.492kg / 1.08 poundsMax. load: 5kg / 11 pounds Leofoto Mega Magic Arm AM-7