The Diamond Hone 2-Stage Knife Sharpener ensures razor-sharp edges for sharpening after sharpening. It combines 2-stage sharpening, precision sharpening angle control and 100% diamond abrasives in an easy-to-use design that's safe for quality knives. The Diamond Hone puts a long-lasting double-bevel edge on a broad range of knives, including fine edge (straightedge) kitchen, fishing, hunting and pocket knives. Perfect for the kitchen, tackle box, toolbox or glove compartment. Dishwasher safe. Easy to use right- or left-handed. Engineered and assembled in the USA.