MS Series Professional Column Studio Monitor Stand with Adjustable Angle and Axis, Acoustic Foam Platform, and Three Internal Channels. The MS Series studio reference monitor stands from Ultimate Support offer unparalleled innovation and strength for professional, project, and home studios alike. The MS-80 is a desktop monitor stand that features non-slip, high-density acoustic foam and an angle-adjustable base that enables the end user to fine tune the sweet spot. The MS-90 is a column monitor stand that offers internal cable management channels and 6000 Series aluminum construction while the MS-100 is essentially a combination of the two! SpecsCapacity: 75 lbs. (34 kg)Plate Dimensions: 10.25" x 11.75" (260mm - 298.45mm)Weight: 3.3 lbs. (1.5 kg).