Steel Wrapped Top Workbenches have a solid wood core beneath 18-ga. steel work surface that absorbs blows and impact of manufacturing and repair. 1-9/16" thick. Steel surface is phosphatized prior to applying gray finish. Standard 16-ga. double stringer stabilizes bench. 16-ga. steel 1-1/2" sq. tubular constructed legs keep bench from sagging under heavy loads. Leveling glides help correct uneven work surfaces. Made in USA.