... 1. 4 Tier Black glass shelf unit 2.Black glass 3.Chromed metal frame Product Name4 Tier Black glass shelf UnitItem Code500925Overall Sizes W410XD300XH870mmSpecification 6mm black glass shelves, Dia25xT0 ... 2009, Furniture – Strength, durability and safety, All the tempered glass are comply with the requirement of standard BS EN 12510 ... is 6-8weeks, repeat order is 4weeks. 4 Tier glass shelf unit