... 1: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 ... plated, clean and bright surface. 2)Smart design, flexible, every layer height is adjustable. You also can add some accessories, such ...