Diamond Hook File sharpens hooks so that they can more easily hook fish.
Snoli DMT diamond files, 110mm
E-file Bit - Small Diamond Ball - RE:NEW Beauty
10Pcs Needle File Set - Mini Diamond Needle File Algeria
Diamond File – TheCubicle
Diamond Spire File Tools Falcon Tool - FALCON Tool Company
Premium Import 5-1/2 inch Long Diamond Slitting Needle File Coars
Diamond Files
Diamond Files, 5 Piece Set
Diamond flat file set # 40, # 60, # 150, # 240, # 400, # 600 - Mark's Miniatures
Diamond Files, 5 Piece Set
Taper Diamond File (PTF-100) Best Diamond : Diamond Tapered Files Supplier