Friction Arm provides great versatility for the positioning of access.Easy position- Double 360 degree Ball Head Articulating design adjusts any angles based on your needs.With a locking control knobs to release or enlarge the tension which can give all position movement.Wide compatibility- With standard 1/4 inch-20 tripod screw and standard camera shoe type.microphone,LCD monitor,DV Monitor, microphoneAnd can attach it to any camera devices comes with standard camera shoe.Study and DurableWe suggest holding device less than 15kg. colour:blackMaterial:aluminum alloysize:Max Extension Length: 11 inchPackage Contents:1* Articulating ArmOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.