- Hardened steel.
Stew Mac #5082 Z-file Fret Crowning File Original Z File Luthier Tool Fret Work
Stew Mac USA # 5080 Z - File Fret Crowning File Centred Z-file Luthier Tool
Fret Crowning File Guitar Hellfire Custom Ground Triangular File
2 File DIAMOND Fret Crowning File System. 2.0 & 2.5mm wide TF088_2025
Fret Crowning File System. Changeable DIAMOND File 2.5mm wide TF088_25