GREEN HOUSE Clamp-on Armrest, Gray GH-AMRA-GY Used infrequently. No issues with movement. Clamp-on armrest that reduces shoulder and arm fatigue with ergonomics. * The moving arm allows the elbow rest to follow your arm movements, such as when switching to the mouse. * Features two joints that move 180° left and right, and the elbow rest also rotates 360°, allowing for height adjustment of the elbow rest. * Easy installation by clamping to the desk's top surface. * Weight capacity of 9.0kg, with a sturdy metal arm. * Symmetrical shape, so it also supports left-handed users.