Z-type file suitable for thick binding, capable of holding up to 160 sheets of copy paper. Tweet Features: Binding power is enhanced by the use of heavy-duty metal fittings with tough-tech resin on both ends. Specifications: Product Number: F-372 Standard: B4 horizontal (E type) Width/Depth/Height: 25mm x 395mm x 267mm Size: B4 Capacity: 160 sheets of copy paper Materials: Cover/Polypropylene (1.0mm thick), Binding mechanism/Steel, Resin Color: Indigo The binding mechanism will be sequentially changed to use rivet studs that allow for separate disposal. I bought these in bulk, but I have some left over, so I'm selling them. There is no particular damage, but please understand that these are used items as they have been stored at home.