KUM 420E Magnesium Single Hole Block Profile Pencil Sharpener
Block profile, 2 Spare Blades
Made by KUM, this 420E single hole sharpener is excellent quality and provides precise sharpening, comfort and stability. Made from milled magnesium alloy with a grip zone of a series of horizontal ridges that run the full length of the side of the sharpener.
It is suitable for round, hexagonal and triangular profile pencils. Suitable for 8mm pencils. Replaceable quality blade is made of specially hardened steel. 1" long (25 mm) x 11/16" wide (16 mm) x 1/2" high (12 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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