This Buyers Products flatbed contractor truck tool box brings two tiers of storage to flatbeds, stake beds and service bodies. Its extra tall and deep 21 x 18 in. profile holds tools and equipment while leaving the bed clear for sheet goods and oversized cargo. Rugged, corrosion-resistant 0.100 in. thick diamond tread aluminum construction. Reinforced upper shelf stores heavier equipment; the lower shelf holds the rest of your tools. Gas shocks keep the flip-up door open for easy access to box contents. Automotive bulb seal and built-in rain gutter protect tools from moisture. Locking die-cast compression latch system shuts out weather and theft. Mounts flush on the bed or service body, so no risers are needed. Specifications Height: 21 in. | Depth: 18 in. | Width: 72 in. Box and door material: aluminum, 0.100 in. thick Finish: diamond tread (no colour coating specified) Door style: flip up, aluminum continuous hinge Latch style: die-cast compression latch Made in the USA