Redi-Edge Pocket Knife Sharpener – Colorful convenience in a pocket-sized, go-anywhere, knife sharpener that’s what the popular REPS201 delivers. Features an ergo-designed thumb “pocket” built into the side of the REPS201 to enable positive gripping even when wet. Produced from military-grade aluminum for extreme durability, long life, and lightweight. Great for keeping culinary, hunting or craft knives sharp for easier cutting. The Duromite© sharpening elements are harder than any knife blade; and factory pre-set to sharpen most knife blades at a 40 degree inclusive angle to maintain a 20 degree double cutting edge. The Pocket Knife Sharpener comes with a ballistic black sheath. 100% USA-made. Lifetime Warranty.