12pce 100mm Fine Needle File Set NF2-100 by Hardware for Creative Finishes

Ideal for professional and hobbiest, model maker, carver, fretwork, jeweller – ideal for metal or wood. File Hardness is usually around 62 Rockwell. The centre of the file body is not necessarily the same hardness as the teeth , which are the hardest part. This will vary with the file thickness.