MOBILE WORK BENCHES ARE BUILT TO LAST USING RUGGED 2"" SQUARE X 14 GAUGE TUBULAR STEEL LEGS THAT ARE 36""H. THESE WORKBENCHES WITHSTAND 2000 LB. CAPACITY. WEIGHT SHOULD BE EVENLY DISTRIBUTED. PRE-WIRED POWER APRON PROVIDES A CONVENIENT POWER SOURCE FOR ELECTRIC EQUIPMENT. PRE-WIRED POWER APRON INCLUDES 3 DUPLEX 15 AMP/115V OUTLETS CIRCUIT BREAKER AND 13'L POWER CORD. INCLUDES 15""D LOWER SHELF WITH BACKSTOP FOR ADDED STORAGE SPACE. MOVES EASY ON 5"" PHENOLIC SWIVEL CASTERS WITH BRAKES. QUICK AND EASY ASSEMBLY. POWDER COAT FINISH. CERTIFICATION ETL/CETL