DeWalt 48 inch industrial grade Black Aluminum single lid chest wedge truck toolbox has patented quad frame foam filled lid structure, over sized push button locks, ToughCoat tub and lid liner as well as a BoxGuard, 4 point rotary locking system. The fully enclosed locking mechanism prevents damage, bending or jamming to the locking system. DeWalt Industrial grade toolboxes feature an innovative base and lid structure, push button locking system and inner box protection for the most rugged, heavy duty conditions. Guaranteed for life. From America's most trusted high performance industrial tool manufacturer comes the strongest and most durable commercial rack, storage and carrier solutions around.