1-SCREEN MONITOR STAND: The DM451X3 single desk mount can hold one computer screen. It has a solid aluminium arm which can swivel side-to-side and has an integrated cable management system for a tidy setup. ERGONOMIC HEALTH BENEFITS: Prevent health problems caused by poor desk posture by improving your workspace. Using the DM451X3 the user can adjust their screen to align with their line of sight perfectly, eliminating the risk of neck, shoulder and back pain that occurs from sitting badly. GOOD FLEXIBLITY: This model has one extended arm with joints that swivel 180°. The arms can be repositioned at any height on the 40cm pole as well as rotate 360°. VESA 75/100 BRACKET: The monitor mount holds a screen with holes on the back either 10cm or 7.5cm apart. This bracket can tilt -90°/+45° and rotate 360° for horizontal and vertical viewing. SPECIFICATIONS: Made of aluminium. Holds 1 screen sized between 15"-27" weighing no more than 13.8kg max. Clamp size 0.5-6.8cm.