1.Professional sharpener built-in angle adjustment button The angle adjustment button ranges from 14 to 24 degrees so that you can set the correct blade angle and grind tools of different sizes, thicknesses and edges to the appropriate edge. 4-in-1 level sharpener kit: 

2.Suitable for all knives and scissors, straight knives, and pocket knives, rounded knives, butcher knives, chef knives, carving knives, fishing knives of various sizes. 

3.Blade sharpener is easy to use Quick, safe, ergonomic handle suitable for all right-handed or left-handed users; non-slip rubber bottom means your sharpener stays in place during use. 

4.This best sharpener is made of ceramic, diamond and high-quality ABS plastic. It is strong, durable and long-lasting. Keep your hands safe when sharpening.