Tough composition board work surface on top with built-in chain vise and telescoping wrench stop . Removable self-stored shelf enables storage of larger items . Supplied with two (2) locking swivel casters and two (2) rigid 6 (152 mm) casters for easy mobility (Model 703) . Recessed and concealed lock protector inhibits forced entry and corrosion to lock . Flush-mounted doors . Finger-groove door handles . Front door storage . Hemmed (reinforced) high-strength shelves . Large lower storage areas for bigger items . Continuous, non-removablehinge pins to prevent theft . Angled handle recess to prevent pinch points . Patented, ergonomically designed fold-down recessed handles . Recommend #1 and #5 Masterlock padlocks or equivalent .