Tower holds 9 VCR tapes per shelf for a total of 27 per unit. Could also be used for compact discs, software or books. Unit comes unassembled. If your decide you need more storage simply pick the add-on side and rods below, this will give you one more side, and enough double ended screws and rods to double the size of your unit.All measurements in inches Product Number Height Width Depth Thickness Rod Diameter Finish Price VCR3 27 1/2 10 1/2 5 3/4 3/16 5/8 Clear $46.00 Holds 9 VCR tapes per shelf. VCR3AO 27 1/2 10 1/2 5 3/4 3/16 5/8 Clear $36.00 Add on unit to the VCR3. This unit will increase your capacity to 54 tapes. This gives you one more side, and enough double ended screws and rods to double the size of your unit. You must have a VCR3 unit already for this to work.