A solid brass sharpener in the most classic sharpener shape. These have replacable blades and are available in a single hole version (for normal diameter pencils) and a double hole version (for all sizes of pencils).
Möbius + Ruppert is a family-owned businesses that's been making sharpeners in Germany since 1922. They're known these days for their hefty brass models, with reliable, replaceable blades.
- Pencil Sharpener