4 In 1 Ener

The tool is placed in the grinding mouth and pulled back, no need to force down the tool when using, the opening function is only used when the blade is seriously damaged, generally only need to rough and fine grinding can be made of stainless steel. Smooth surface, not easily damaged and not easily deformed. Stainless steel combined with ABS. The combination of stainless steel and ABS makes for a strong, durable, non-slip and comfortable fit. The four-in-one design of open/rough/fine sharpening + scissor sharpening allows for easy sharpening of different knives.