The Redi-Edge® Pocket Pro Knife Sharpeners are produced from military-grade aluminum for extreme durability, long life, and lightweight. Design features include a proprietary corrosion-resistant finish, an ergonomic thumb “pocket” that creates excellent grip-ability even when wet, a honing surface on the back, and a v-groove for fish hooks and needle points. The Redi-Edge® Pocket Pro Knife Sharpener is designed for the sharpening enthusiast. The convenient “pocket” design enhances the portability of the sharpener and provides a large surface for custom engraving which is available on special orders. The thumb insert gives you a sturdy grip while you use the Duromite™ inserts to put the perfect edge on your knife every time. The grit surface coating on the body of the Pocket Pro provides a honing and polishing surface for finishing the edge of your knives. Our ceramitized coating will protect your sharpener no matter where your adventure takes you. You can even sharpen your hooks and needles on the convenient V-groove located on the bottom of the Pro Series Sharpener. The Redi-Edge® Pocket Pro comes factory- set at a 40° inclusive angle, maintaining a consistent 20° double edge on your knives.