four-tier file rack 1,E1 PB 25mm 2,taped edges 3mm over 0. ... 6mm 3,escrow accepted 4,2 years structural warranty file rack Quick DetailsTypeoffice furnitureProduct Namefour-tier file rackMaterialparticle board with MFC ... years structural warranty4,simple and beautiful6,good quality price with a stable productivity7,lockable and combo freely