7831SS Howard Instrument Table with shelf features a new and improved design offering complete 18 gauge, 304 stainless construction. Lightweight, yet extremely durable. Sanitary closed top hem prevents bacterial build-up. Sealed reinforcing channels provide structural rigidity. 1-1/4" diameter legs are fully welded for strength and stability. There is a 16" clearance between shelves on the Howard Models. The Sawyer Model has an H-brace in lieu of a second shelf. H-braces are fully welded around the legs with no crevices for dirt to collect. All tables travel on three-inch casters.