... )15 tiers, double line 2)Mute & heavy duty 3)S/S 18/8, 18/0, 201 4)Knock-down structure Stainless Steel Tray Trolley ... Specifications:1) Material: Stainless steel 201or 18/8 are available2) Knock-downstructure, 1pc/carton, easy assemble3) Four ... thick, 15 layersThe material can made to be Stainless Steel 18/8, 18/0 or 201.Thickness is 0.8, 1.0 ...