The LE Series Presentation stations have shelves and legs made from high density polyethylene structural foam molded plastic. Integral safety push handle which is molded into top shelf for sturdy grip. Molded plastic shelves and legs won't stain, scratch, dent or rust. Top shelf reinforced with one metal bar. 0.25" retaining lip and sure grip safety pads. "Cable track" cord management system keeps cords neatly secured. Cabling hole in top shelf with cord guide cover. 4" ball bearing casters, two with locking brake. 3 outlet, 15' surge suppressing electric assembly.