13-Piece Nut File Set This is a set of round and flat files for adjusting nut slots. ・13 round files (0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.6mm) ・1 flat file Length: Approximately 7cm If you wish to purchase multiple sets, please let me know in the comments section. Shipping will be in an envelope and will be posted within 12 hours of your reply. As these are manufactured overseas, there may be some with rough parts or scratches. We appreciate your understanding. We thoroughly inspect the functionality, but in the unlikely event of an initial defect, please let us know before you rate the product, and we will take care of it. We want to have a pleasant transaction with each other. Thank you.