easy to use and stock, different size and models for customer choice ITEM NO.: ZTP-1111WTMATERIAL: HDPESIZE: 110*110*15MMDYNAMIC LOAD: 1.5TSTATIC LOAD: 4TN.W: 13.4KG (WITHOUT IRON TUBE)OTHER SIZE: 120*100*15MM, 120*120*15MM, 130*110*15MM, 140*110*15MM, 120*100*17MM,Update Date:2011-6-5 1:44:34