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B&Q£20.06Visit shop B&Q - Mobius & Ruppert (M+R) Castor Brass Pencil SharpenerExtra-Long Tip German Precision
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The Möbius & Ruppert Castor Pencil Sharpener is a high-performance tool designed for artists, designers, and professionals who prioritize precision and long-lasting lead tips. Its German-engineered cutting mechanism excels at creating extended, fine points for detailed sketching and drafting; however, users should be aware that its aggressive sharpening action requires a steady hand to avoid breakage on softer charcoal or wax-based pencils.
| Model Part Number | Castor |
|---|---|
| Brand | Möbius & Ruppert |
While it works with many graphite pencils, use caution with wax-based colored pencils as the soft cores can break easily in high-precision sharpeners.
Yes, the Möbius & Ruppert Castor is designed with a replaceable blade system to ensure long-term usability.
It is designed for standard-diameter graphite pencils. It will not fit jumbo or thick-core pencils.
No, it features an open design, making it compact but requiring you to sharpen over a bin or paper.
The Castor is built with a focus on durability, utilizing high-quality materials standard for M+R professional sharpening tools.
Reduce the amount of pressure applied during rotation and ensure the pencil is aligned straight with the aperture.
Check the blade for graphite buildup or debris. If cleaning does not resolve the issue, the blade is likely worn and should be replaced.
Using the Castor sharpener is straightforward: insert your standard-diameter graphite pencil into the opening and turn steadily. Because it is a manual, non-reservoir sharpener, operate it over a waste bin to collect shavings. To maintain performance, keep the internal blade area free of graphite dust by gently blowing into the aperture or using a soft brush. If you notice the sharpener beginning to tear the wood casing or produce inconsistent points, it is time to replace the blade. Keep the sharpener in a protective pouch when not in use to prevent the blade from dulling against other metal tools in your bag.
