Adjustable design: The 4-in-1 sharpener has 6 levels and can be adjusted separately. The simple adjustment knob of the sharpener allows for sharpening at various angles (14 degrees/edge to 24 degrees/edge). Ideal professional sharpener for knives, scissors, gardening tools, and many other cutting tools.Level 4 sharpener: The manual sharpener has 3 sharpening grooves and 1 professional scissor sharpener. Solid tungsten carbide, diamond powder, and ceramic particles are prepared, sharpened, and then finely ground. The sharpener can quickly grind very dull or damaged blades.Easy to use: Our sharpener has an ergonomic handle design that allows you to easily place the blade in each slot, whether you are a right-hand or left-hand user, and then gently pull the blade over your different tools within a few seconds to restore the original sharpness.High quality and safety: The professional sharpener is made of high-quality ABS material. The anti slip silicone base of the bottom sharpener makes it difficult to slide during sharpening, making it safe and labor-saving.Multi functional: Our professional sharpener can not only be used in the kitchen, but also as a hunting knife sharpener for hunting, camping, and outdoor survival. Attention: Grinding the knife. Do not use excessive force during operation and do not pull back and forth.