Dianova Lapstone Hook Sharpener LSH10100G4" overall. 30 and 60 micron (fine and coarse), unique double sided version. Stainless composite construction. Stainless retractable clip attachment. Honing area is coated with millions of highest quality diamonds. For catch and release fishing. Use coarse area for removal of the barb, fine area for sharpening the hook, and front for release of fish from hook. Hang packaged. Country Of Origin: Sweden UPC: 871373243994