Duratop II Workbenches feature one of the toughest industrial work surfaces found anywhere. Durable MDF core is sandwiched between a 3/8" thick 62-lb. high-density phenolic resincore top and bottom. Both top and bottom have rounded a comfort edge for safety and are coated with a catalyzed finish to resist conventional liquids. 1-1/4" thick top has a 1/2" thick core; 1-3/4" thick top has a 1" thick core. 14-ga. welded legs include stringer for stability. Made in USA.