We have two of these lab workbenches available ($500 each). They're used, but in both in good condition. They're very well built - very heavy duty. They each have a chemical resistant epoxy resin top for the main work surface, and a wood laminate shelf on the bottom. They have locking wheels for easy mobility and stability. Dimensions (total): 48"W x 31"D x 79"H - (overhead shelves): 47"W x 18"D. The main surface is adjustable up/down in 1-inch increments. The shelves are 8"H each. The upright posts extend 42" above the main work surface. Photos below show various configurations, but here's how our remaining benches are currently configured:
Bench A (pic 1-5): Metal-front drawers, one shelf
Bench B (pic 11-16): Wood-front drawers, one shelf