Indestructible tool case with injected copolymer polypropylene structural resin.They are ideal for use in the harshest environment, such as industrial, aeronautical and nautical fields.60x20 wheels on ball bearings for easy transport even when very loaded.Integrated identification/name badge.Padlockable.Interstackable.1 retractable handle for when rolling on wheels.1 rubber coated heavy duty handle.2 closing latches, 4 bottom studs.Empty case.2 closing latches, 4 bottom studs.Empty case