"Cta'S Mobile Workstation Adjusts To Seated Positions Or Standing Positions, Making It An Ideal Solution To Create An Office Environment Anywhere - At Work, Home, A Clinic, Pop-Up Shop, Or Even A Tradeshow Booth. This Sturdy Metal Workstation Moves Smoothly On 4 Rolling Casters And Has 2 Casters That Lock In Place With A Simple Toggle Foot Switch. The Features That Makes This Desk Specifically Unique Are Two Predrilled Holes In Each Top Corner, Allowing For The Attachment Of 2 Grommet Mounts. Choose Any Two Compatible Mounts To Build Your Personally Designed Work Station To Cater To Your Exact Needs! If You Choose To Not Use The Mounting Holes, No Worries… The Holes Are Able To Be Filled With The Provided Plugs To Make A Smooth Tablet Top. An Easy-To-Operate Gas Spring Foot Pedal At The Base Of The Center Post Lets Users Adjust The Height Of The Workstation From 30 To 44-Inches High, Allowing A Quick Switch Between Seated And Standing Positions. The Generous 23.5 X 20-Inch Work Surface Leaves Plenty Of Space For Any Monitor, Laptop, Desktop, Or Tablet Desk Kiosk Up To 17.6 Lbs. Works Seamlessly With Cta'S PAD-LTMUH, ADD-DMCG, And ADD-GCADM Mounts.