EC21 Buying Leads Catalogs - corner protector http://importer.ec21.com/buy_leads/corner protector.html Buy Sellhttp://www.ec21.com/offer_detail/Buy_Sell--6930575.htmlwith 17 x 31mm steel tube. Legs of 1 x 1.5? steel tube. Affixed extra protectors on all corners to avoid breakage.20081226 Buy HPL Plywoodhttp://www.ec21.com/offer_detail/Buy_HPL_Plywood--6641200.htmlcorners to have metal corner protectors prior to banding. Use strong hardwood strip at bottom of units to support weigh20081213