ARKSEN 10pc Diamond Riffler File Set Hardened Tips Steel, w/Storage Pouch Non-Slip PVC Dipped Handles; Mini needle files are great for fine detailing work Each Size: 3mm X 104mm; Size: 140x3mm (5.5" Long) Includes Clear-View Vinyl Storage Pouch, Mini Needle File Shaping, forming, carving, engraving & material removal Set For Fine Detail Work In 10 Unique Shapes