The quality of the sharpener has great significance for the method of sharpening and the final result. Naturally, the result also depends on the quality of the pencil For optimal results we recommend that you change the knife of the sharpener itself at certain times, as it is used after intense use and this leads to breaking when sharpening.
Single metal sharpener for black and color pencils.
High-quality knife.
For pencils of standard size.
Reliable sharpening. 
