Adjustable Shelf Height for Flexible Storage: Features freely adjustable shelf spacing to accommodate tools of all sizes, offering unmatched flexibility for organizing toolboxes, drills, chargers, and more. Six-Tier Modular Design for Customized Organization: Can be assembled horizontally into two rows, vertically into six layers, or split into two three-tier units to fit any space. Heavy-Duty Construction for Lasting Durability: Built from industrial-grade steel with 300lbs load capacity, resisting rust, corrosion, and scratches with polished edges and reinforced welding. Versatile Application: Fits wooden walls, concrete surfaces, and pegboards to transform cluttered garages, workshops, or tool rooms into tidy spaces. Effortless Installation: Simple setup with minimal parts, clear manuals, and accessories for quick assembly. Weight: 8.71 pounds.