These record storage systems feature Global's pallet rack design to provide the highest capacities for the lowest prices. Global Record Storage Units offer quick and easy, tool free assembly for all your document storage needs. File storage racks are made of durable heavy gauge steel for years of dependable service. Heavy duty one-piece, box formed 13 gauge steel uprights allow easy beam installation. 3-1/4" x 4-1/4" x 12 gauge welded base plates allow floor anchoring. Beams feature a positive 6-way locking action that automatically secures beam into place. Welded braces provide maximum rigidity and stability for your record storage system. Dust free wire mesh decking helps store document boxes on front and back for two rows of storage; allows access to either side. Long lasting epoxy finish. Corrugated Boxes are made with 200 lb. test corrugated cardboard and include a lid to protect contents. 15"L Boxes are designed to hold letter and legal size records. Easy assembly.