Steel.Heavy-Duty Industrial Construction：This heavy-duty metal storage cabinet with wheels is constructed from premium cold-rolled steel, offering superior strength and impact resistance for demanding environments. The high-temperature cured electrostatic spray coating provides exceptional scratch and wear resistance. This robust build ensures reliable performance for heavy tools and equipment in garages, workshops, and industrial settings..Adjustable and Customizable Interior Organization：Featuring four fully adjustable shelves, this metal storage cabinet with doors solution allows you to customize the layout. Each shelf can support up to 80 lbs of weight. Combined with four adjustable leveling feet that ensure stability on uneven floors and protect surfaces from damage, this cabinet maximizes storage efficiency and organization for tools, supplies