Astrotek Monitor Stand Desk Mount 44cm Arm for Single Screen 13'-34' 15kg 30° tilt 180° swivel 360° rotate VESA 75x75 100x100 ●Aluminum Articulating Preconfigured Monitor Arms ●Fully Detachable Modular Design: ensures easy installation ●Swiveling Arm(s): offer(s) maximum viewing flexibility ●360° Rotary VESA Plate: for more viewing experience ●Cable Management: keeps everything organized ●Freely Adjusting Height: for an optimal ergonomic position ●Two Mounting Options: both desk clamp and grommet are available' - The distance of up and down is about 34.5cm Fit Screen Size 13'-34' Weight Capacity (per screen) 8kg VESA Compatible 75x75,100x100 Tilt Range +90°~-40° Swivel Range +90°~-90° Screen Rotation +180°~-180° Suggested Desktop Thickness Clamp：10~85mm Grommet：10~70mm