25 x Heavy Duty Steel Shelving Unit 1800mm H x 1500mm W x 600mm D 400KG UDL Product Information: This fantastic shelving unit is ideal for the garage, workshop, or small warehouses, if you are looking for a professional product to hold a high capacity load per shelf this is the range for you. With solid 15mm chipboard shelves, and two central support beam these can hold a load capacity of 400kg UDL and with 4 levels they are ideal for all storage needs.