A folding penknife is a portable pencil sharpening tool that has a foldable design for easy carrying and storage. Here is an introduction to the folding penknife:
Design: Folding penknives are usually made of metal or plastic and have a folding appearance. They usually have a compact size and can easily fit into a pocket, pencil case, or pencil case. The folding design also protects the blade from accidental cutting or injury.
Blade: Folding penknife with replaceable blade. The blades are usually made of high carbon steel or stainless steel and have sharp cutting edges. The shape and size of the blade can be according to different needs to meet different types and thicknesses of pencils.
How to use: Using a folding penknife is very simple. First, insert the pencil into the edge of the knife, and then rotate the edge so that the blade touches the lead. Next, rotate the pencil with the right amount of force and Angle to sharpen the blade. After sharpening, the sharpened pencil can be removed by opening the folding penknife and emptying the shavings.
Adjustment function: Some folding penknives have an adjustable edge to accommodate different sizes and shapes of pencils. By adjusting the size of the knife edge, different degrees of sharpening effects can be obtained.
Versatility: In addition to sharpening pencils, some folding penknives have other functions. For example, some folding penknives are also equipped with erasers to facilitate erasure correction after sharpening. Some folding pensharpeners are also equipped with lead storage tanks for easy carrying of spare lead.