The Heavy duty 4 tiers rack are made of AISI 304 16 gauge Round Pipe 32 &amp; 19 .<br />Legs are made of AISI 304 3816 gauge Round Pipe.<br />All Pipe Construction is TIG Welded.<br />Adjustable Nylon bullet feet to accommodate uneven flooring.<br />Entire Surface is design in satin scotch brite finish.<br />Hygienic convenient and easy to clean.<br />Also available in Taylor made designs and sizes.