... :we can supply single or many layers with four wheels for your reference . Stainless steel rack and shelf ,Metal shelf and wire shelf for home ... tools required; Product Feature: 1) Stainless steel rak and shelf ,Metal shelf and wire shelf for home or hotel etc to display and storage ... , wheels, to be coat hanger, dining cart. With separate pieces, side pieces, can be a bookshelf, and so on. 3)DIY ...