However, we also offer more affordable plastic pencil sharpeners in our range. Compared to other metals, zinc is a particularly robust and stable material. After it has cooled down, the fully finished product can be ejected. In this process, liquid metal is poured into the desired mould. The majority of our STAEDTLER sharpeners are manufactured by means of zinc die-casting. High-quality products for optimum sharpening results We use high-quality blades in all of our sharpeners, so you will always enjoy optimum sharpening results. These are suitable for normal-sized pencils as well as our extra-thick jumbo models. At STAEDTLER, we offer robust metal and plastic sharpeners for graphite and coloured pencils. They evenly shave away the wooden surface of the pencil using a sharp blade fixed firmly in the case. As a rough guide to the useful life of a pencil sharpener, it is usually advisable to replace your sharpener after it has sharpened around twelve fully used up pencils.While it was once common to sharpen graphite and coloured pencils with a knife, we now use specially-designed sharpeners to do the job. If the lead breaks off, this is often not down to the pencil, but rather because the sharpener itself is old and has become blunt. If you want to achieve optimum sharpening results, the blade of your sharpener always needs to be sharp. What causes the lead of my pencil to break off in the sharpener? We offer single-hole and double-hole tub sharpeners for all common standard and jumbo pencil sizes in many attractive designs – from classic and colorful options to glitter models. The collecting tub and integrated cover with safety lock reliably prevent shavings from spilling. Our STAEDTLER tub sharpeners allow you to sharpen your pencils easily and accurately without making a mess. While our practical tub sharpeners have a plastic case, they feature a robust metal sharpener insert. While our standard metal sharpeners come in classic silver-gray, our plastic sharpeners are available in a variety of colors. We also offer metal and plastic sharpeners that are suitable for normal-sized pencils with a diameter of 8.2 mm, as well as double-hole sharpeners that are specially designed for our extra-thick jumbo pencils with a diameter of up to 10.2 mm. 30° for colored pencils to produce broader and softer results.23° for graphite pencils to produce clean and accurate lines.The blades in our products have different sharpening angles depending on the purpose: In our product range, we offer high-quality pencil sharpeners that are specifically designed for the special properties of graphite and colored pencil leads. Colored pencils, on the other hand, have a softer lead that needs to be sharpened to a slightly shorter and thicker point so that the lead doesn’t break when coloring. The lead of these pencils can therefore be sharpened to a very fine and long point without breaking. Graphite pencils are characterized by their particularly hard and robust lead. Which sharpener is suitable for which pencil?
At STAEDTLER, we offer robust metal and plastic sharpeners for graphite and colored pencils. While it was once common to sharpen graphite and colored pencils with a knife, we now use specially-designed sharpeners to do the job.
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