QUICK AND EASY ASSEMBLY. MOVES EASY ON 5"" PHENOLIC SWIVEL CASTERS WITH BRAKES. THESE WORKBENCHES WITHSTAND 2000 LB. CAPACITY. WEIGHT SHOULD BE EVENLY DISTRIBUTED. 1-3/4"" THICK KILN-DRIED MAPLE TOP WITH MINERAL OIL PROTECTANT AND STANDARD SQUARE EDGE. INCLUDES 15""D LOWER SHELF WITH BACKSTOP FOR ADDED STORAGE SPACE.