THE STANDARD SHOP STAND FEATURES A DURABLE ALL-WELDED 18 GAUGE X 1-1/2"" SQUARE TUBULAR STEEL FRAME FOR ADDED RIGIDITY. IT HAS A 3000 LBS CAPACITY. THE WELDED BASE PLATES ALLOW FLOOR ANCHORING FOR STABILITY. STANDARD MODELS FEATURES A 1-3/4"" THICK MAPLE TOP AND SCRATCH-RESISTANT GRAY ENAMEL FINISH. OPTIONAL 4"" CASTERS FOR MOBILITY REDUCE CAPACITY TO 1000 LBS.