Find the ideal work height for your students with Correll's Adjustable-Height High-Pressure Top Computer Table. Comes with both plastic knobs and tamper-proof set screws so you can easily adjust the height of the tabletop from 21 to 29 inches in one-inch increments. The 1 1/4-inch thick durable laminate top won't chip or scratch and the vinyl T-mold banding protects the edges of the table. Choose from seven colors for the top and seven colors for the banding (standard color is black). Tabletop grommet holes are available for an additional charge.