Features: 1. Helps maintain proper sitting posture and alleviates shoulder discomfort. 2. Constructed with aluminum material for durability. 3. The elbow stand can be securely attached to desks with a thickness ranging from 0 to 60 mm. 4. Flexible and freely adjustable with an ergonomic design for easy installation. Promotes correct sitting position. Offers 360-degree rotation. Height is freely adjustable. Aluminum stand provides reliable support. Easy to install on chairs or tables. Color: Black / Gray / Silver Material: Aluminum Package Contents: 1 x Aluminum Bracket Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by up to +/- 1-3 cm.