WOH39E Features: -Steel 29'''' Standup Overhead Projector Cart.-Two storage shelves.-Height adjusts to accommodate screen height and angle of view.-Folding Side Leaves.-Ball Bearing Casters.-Lockable casters (2).-Application: Overhead projection.-Four 4'''' silent - roll, full swivel, ball bearing casters, two with locks.-Casters: Four x 4'''' (two lockable).-Weight rated at 125 lbs each. Construction: -Constructed of steel.-Shelves made from 18 gauge steel.-Legs made from 16 gauge steel. Color/Finish: -Black powder coat paint finish. Assembly Instructions: -3-Outlet Electrical Assembly. Dimensions: -Projector platform which adjusts from 27.5'''' H to 37.5'''' H.-The extra lower storage shelf is 17'''' W x 19.75'''' D.-Weight: 46 lbs. Warranty: -Lifetime Warranty.