Trend DWS/PFR/F 5-5/8-Inch Diamond Fine Pen, File Round Barrel becomes the handle when unscrewed Excellent corporate gift potential Ideal for all shaped tooling, profile knives, turning and carving tools and all knives (hunting, outdoor and domestic) Suitable for pruners, secateurs, scissors, hoof knives and serrated blades, Fine 600 grit (25 micron) Apply gentle pressure during sharpening process with minimal amounts of Trend lapping fluid for optimum performance