The NPS Signature Frame Height Adjustable Science Lab Tables have "perfect chemistry" with any science classroom. These paragons of endurance are built with a choice of stylistic light oak woodgrain, or striking textured black legs beneath a phenolic resin tabletop with a matte finish. The work surface is crack-resistant and can be modified using carbide-tipped tools. It is impervious to extreme cold, heat up to 275 degree F as well as damage from virtually any chemical, acid or possibly corrosive substance that may be found in a laboratory setting. Robust legs are 2 3/8" diameter, and adjust smoothly in 3/4" increments from 29"-41". Legs automatically lock at your height setting to conveniently accommodate all seating requirements. Easily assemble the PSLT-AH thanks to pre-drilled pilot holes. Feet are outfitted with oversized glides, or optional casters. The PSLT-AH meets MAS Certified Green environmental industrial standards. Optional Book Compartment models come with two storage compartments concealable with the included side-panel aprons.