storage shelving/storage rack / rivet shelf is idea for storage ,PVC sealed PB shelf is convient to clean storage shelving/storage rack / rivet shelf details1) 48"* 18"*72" 36 ... .9mm, Material of upright is δ1mm,(4) Each shelf holds uo to 680kgs,(5) The shelf can be adjustable every 1-1/2 ... AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Z beam shelf