Small pocket-sized Sharpener, for small blades in the kitchen and the household. It's small size makes it ideal for use outdoors - hunting, fishing, camping and trekking. Sharpens in only few seconds small knives, serrated knives, scissors, hoof and claw knives. The insert is a hard metal mixture, nearly as hard as diamond, practically no wear. Instructions: Pull the concave sharpening edge of the insert gently along the blade edge, respecting its existing angle. No pressure is required. Work only with one side of the sharpener and always from the handle to the point of the blade. When sharpening Scissors, Secateurs and Pruning Shears only sharpen the bevelled side.