Heavy gauge type 304 all stainless steel construction. Tops are 14 gauge, electropolished or brushed stainless steel and reinforced with heavy gauge hat channels. Alcohol-wiped and cleanroom bagged. 1 1/2″ diameter, rolled down edges at front and rear. Ends turned down 90° at 1 1/2″ providing for flush installations when required. Base assembly incorporates the strength by design” patented uni-lok® (patent #5,165,349) stainless steel gusset system which is welded into hat channel, reducing lateral movement. Legs and crossbracing are 16 gauge 1 5/8″ diameter with welded crossbracing front to back and choice of center or rear knocked-down crossbracing. Perforations are 3/4″ diameter on 1″ centers to allow a minimum 40% laminar flow. Tables supplied with 1″ adjustable stainless steel bullet feet. All tables provided with stainless steel assembly hardware and are shipped knock-down. Custom sizes available.