Movo Photo MR11 Professional Grade Articulating"Magic Arm" with Interchangable Screw/Shoe Attachments and 360&deg; Ball Joints - 11-Inch Anodized Stainless Steel Construction maximizes durability for rugged use Attaches Accessories to Camera or Rig Two 360 Ball Heads with  Threads Single Central Lock Knob Includes a Universal Hot Shoe Adapter