The Redi-Edge® Single Edge (RESE) is designed for most single bevel knives and broadheads. The RESE will sharpen both right and left handed bevels. Sharpening, honing, and polishing all in one. Our DuromiteTM inserts are harder than any cutlery steel, which means you will get the perfect edge every time. Our ceramitized coating will protect your sharpener no matter where your adventures take you. You can even sharpen your hooks and needles on the convenient V-groove located at the bottom of the Redi-Edge®Single Edge. (Comes with a lanyard hole for easy attachment to rope, clips, or a chain.)The Redi-Edge® Single Edge 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 DuromiteTM inserts are harder than any knife blade; and factory pre-set to the edge angle of 20° for either a right or left handed bevel.The 20° edge angle maintains a consistent 20° single cutting edge on most knives. Sharpens, polishes & hones.