KUM 400-1K Magnesium Single Hole Pencil Sharpener
Thin wedge profile, grip zone
Single hole pencil sharpener is made of magnesium and has a thin wedge profile and a grip zone. Premium artist's quality sharpener for use with graphite, colored and watercolor pencils and pastel crayons. Suited for pencils up to 6 mm in diameter (standard #2 style pencils.) Replaceable quality blade is made of specially hardened steel. 1" long (25 mm) x 11/16" wide (16 mm) x 7/16" high (11 mm). Made in Germany.
KUM Blades: All KUM sharpeners are equipped with ultra hard (65 hrc) and razor sharp high carbon steel blades. These blades are harder than ball bearings or any high quality knife. This is needed because pencil leads are made of a mixture of graphite and various types of clay, which are extremely hard.
Each blade is razor-sharp. A felt sharpening wheel (similar to leather) is used as the last step in the automatic sharpening process.
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