Are you a keen outdoor activist? This Bear Grylls Field Sharpener is just what you need for your outdoor adventures & is small & compact enough to fit in your pocket! Encased in a smooth, hard plastic cover the Bear Grylls Knife Sharpener has a handle made from grippy rubber for secure holding in wet or cold conditions. The diamond-coated sharpeners allow you to sharpen the serrated sections of your knife with ease. Coarse Carbide & Fine Ceramic inserts will provide fine edge blades to your knife. This Bear Grylls Field Sharpener is the ideal gift for an outdoor fanatic, walking wonderer & camping crews everywhere. Product features Overall Length: 114.3 mm Total Weight: 65 grams Steel Type: SS416 Grit 400