DLB508 features 360° rotation, -85°/+15° tilt up & down, -90°/+90° tilt left & right and 180° swivel arms which fully extend to 20 inches (512cm). Just use your hands to move your monitors into the desired position - no tools required! Fully Adjustable Height adjustment through the spring arms, swivel/articulate each arm connection, tilt and rotate at the monitor holder. The mechanical spring hovering system makes it incredibly easy to change monitor height with the touch of a finger. Spacious Cable Management Channels Allow wires to move freely while you adjust your screen position. Hassle Free C-clamp and grommet mount bases are included for easy and quick installation. Model name DLB508 Weight Capacity 2-9kg (4.4 - 19.8 lbs.) Material Aircraft grade aluminum Screen Tilt 85° up and 15° down Screen Pivot ± 90° Arm Pivot ± 180° Fit screen 17" - 30" Extension 512 mm / 20 inch Lift 423 mm / 16.7 inch VESA 75 × 75;100 × 100