mbeat® activiva ErgoLife Dual Monitor Screen Steel Gas Spring Monitor Arm Features • Dual Monitor Steel Gas Spring Monitor Arms • Keyhole Pattern: allows for easy installation • Gas Spring: perfectly counterbalances the weight of your monitor • Built-in Spring Tension Gauge: for perfect weight adjustments • Cable Management: elegantly hides any cables that are attached to displays. • Two Mounting Options: both desk clamp and grommet included' Specifications Fit Screen Screen: 17' - 32 ' Weight Capacity per Screen:2kg - 9kg VESA Compatible:75Å~75, 100Å~100 Tilt Range:+45°~-45° Swivel Range:+90°~-90° Screen Rotation:+180°~-180° Suggested Desktop Clamp：10~83mm, Thickness:Grommet：10~83mm Carton Size:40.6cm Å~ 30cm Å~ 17cm Gross Weight:17.6kg Net Weight:12.8kg'