MOBILE WORK BENCH LEGS FEATURE REMOVABLE DUPLEX KNOCK-OUTS TO ACCEPT ELECTRICAL OUTLETS (NOT INCLUDED). FINISHED WITH SCRATCH RESISTANT GRAY BAKED ENAMEL. 96""L BENCHES INCLUDE 3 LEG FRAMES FOR STABILITY AND REINFORCEMENT. MOBILE BENCHES ARE EASY TO MOVE ON 5"" CASTERS (2 RIGID ON ONE END AND 4 SWIVEL WITH BRAKES). FEATURE A 1-5/8"" LIGHT GRAY PLASTIC TOP THAT IS IDEAL FOR MULTIPLE ENVIRONMENTS AND PROVIDES A NEAT CLEAN APPEARANCE. HEIGHT ADJUSTABLE WORK BENCHES OFFER 35-1/4 TO 42-7/8"" HEIGHT ADJUSTMENT TO MAINTAIN A PROPER WORK HEIGHT.