Single Rivet beam high-density shelving is designed to provide for maximum vertical clearance between shelves. Primarily used as an intermediate shelf support when maximum vertical space between levels is needed. Access to stored item from all sides is possible because side and back cross braces are not necessary for stability. Additional shelves create more storage space for your single rivet shelving units. Simply add a front and back support beam and lay the wood decking into place to create more shelf space. Finished in Light Putty baked enamel. Weight capacity is 300 pounds per shelf, evenly distributed..