There are grooves on one side and 2V grooves on the other side, which greatly prolongs life of the grinding hook. Single surfaces, 400 fine meshes;
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Smith's Fish Pick and Hook Sharpener 51195
Diamond File - Rising
Portable Fishing Hook Sharpener Hook Diamond File Portable - Temu
Loon Hook Hone You are more likely to miss fish with a dull hook. Your fly has a ton of opportunities to become dulled even if the hook was sharp when it left the manufacturer. Why not put your fly in the best condition to catch fish by sharpening it?.
Loon Hook Hone
Double‑sided diamond: Double‑sided diamond, single slot 800 fine grits, double slot 400 coarse grits, with anti-lost rope. For fishing hook polishing
Fishhook Sharpening Whetstone Fishing Hook Hone Double Side 400/800 Grits Diamond Fish Hook Grinding File Hone Fishing Hook Sharpener
Keep yours hooks sharpest all times, neccessary in your fishing tackle boxes and pack. Use this portable fish hook file to make the hook more
Fishing Hook Grinding Stone Sharpening Tool Lightweight Fishing Hooks Sharpening File Double Sided File Fish Hook Sharpener Fishing Tackle Accessory
Portable Fishing Hook Sharpener Stainless Steel - Temu
Stainless Steel Fishing Hook Sharpener Fishing Knot Tying - Temu
Fishing Hook Sharpener Diamond Knife Portable Mini EDC Pocket Fish
Fishing Hook Sharpener Fishing Hook Diamond Files For Sharpening Fish Hook Grindstone Sharpener With Cord Fishhook Grinding - AliExpress
Portable Fishing Hook Sharpener Stainless Steel - Temu