... :Material :Satainless steel 2:Feature:Knock down design 3:Certificate:GSG,NSF,CE 4:Good price,best quality 4-Tiers Stainless steel Kitchen shelf/HengKe ... in the world .5:Pole(Tube) diameter :we usually use 3/4" or 1" for your choice, in addition ,we can design ... :Wire shelf size:main diameter :6.0mm ,wary line :4.5mm ,subline :3.0mm for your choice ,meanwhile we can design wire ...