Articulating Arm Clamp Friction Power Arm Crab Screw Kit for Camera Monitor Light Adjustable Magic Arm 11 inch

Metal Adjustable 11 inch Magic Arm

Magic Arm size: 11inch. 
Material: High Quality stainless steel & aluminum alloy. 
Max load: 10kg/22lb.
With two 360° Ball Heads.
With 1/4" screw threads 
Articulating design, with one knob(one tightening screw) locks all 3 joints.