The Sevenoak SK-VAM30 is a heavy-duty but comfortable vest and arm system designed for a wide range of DSLR cameras when used together with Sevenoak stabilizers. SK-VAM30 vest and arm system enables you to stabilize the camera movement and reduce shaking when walking, running, going up and down stairs, and travelling over uneven terrain. The support arm: Flexible and durable Two-section articulated arm Can be boomed up and down, pivoted in and out, and move side-to-side 12mm and 17mm diameter of the arm post The support vest: Heavy-duty but comfortable Can be adjusted to fit a wide range of operators Easy to set up and quick to break down Evenly distribute the weight of the system across the operator?s shoulders, back and hips Compatible with: SK-HS1/SK-SW02N/SK-SW03N SK-W01 SK-SW PRO 2