Clamps to the back of a straight edge worksurface 6.0" of clearance is needed underneath worksurface for clamp Pneumatic height adjustment Flexible positioning along the vertical column and horizontally on with the articulating arm 16 lbs. weight capacity 17.2" column height adjustment range 27.0"w x 10.4"d top platform 26.5"w x 10.5"d keyboard platform 30.0" max. worksurface depth Top platform includes grommet hole for cable management Keyboard platform includes palm rest Palm rest can be positioned on left or right side of keyboard platform Partial assembly required Dual monitor arm integration 11.3" monitor mount height range 13.8" motion arm height range 20lbs. max. monitor width (Bezel measured left to right) Fixed at and 8º angle toward each other Monitors can be rotated for portrait or landscape orientation Conversion grommet mount sold separately Warranty: 3 yrs.