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) . Recessedand Concealed Lock Protector Inhibits Forced Entry And Corrosion To Lock .flush-mounted Doors . Finger-groove Door Handles .