The Transvideo 3D Swing Arm comes with a 1/4-20 male thread or a 3/8-16 male thread, to fit video or film cameras. Each arm ends with a mini-ball joint so that a monitor can be positioned anywhere.
Recommended Transvideo monitors have mounting points on both top and bottom so they can be held in the under-slung position.
Several accessories are available for the 3D Swing Arm such as the Moviecam Shoe Adapter and the Arri square/Panavision Rod Adapter.
This swing arm has a full length extended of 11 inches, the first arm's length equals 4.5 inches and the second arm's length equals 4 inches. There is a usable reach when dimensions between the two male threads at each end when set at 90 degree angle with bracket as if in use of 8.5 inches.