Multifunctional Fishing Hook File Grindstone Frosted Grinder Portable Diamond Knife Sharpener Whetstone Outdoor Fishing Tackle ToolsFeature:Fine workmanship, wear resistance, etc., very suitable for grinding fish hooks, knives, scissors, nail clippers, etc.The whetstone is made of high-quality diamond material, which is durable and has a long service life.Suitable for outdoor adventure, camping, fishing, family use, etc.Specification:Item Type: Hook SharpenerMaterial: Diamond, rubber handleTotal length: 100 mm/4 inch sharpeningLength: 45 mm/1.8 inchesWidth: 10 mm /0.4 inchThickness: 2 mm/0.078 inchScope of application: Used for polishing knives, hooks, needles, etc.Color: Black Red, Black GreenNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2mm measuring deviation due to manual measurement.1 X Grinding Stone