M+R Sharpeners are high-quality and excellent value. They produce all blades themselves at their site in Erlangen.  A special corrosion protection guarantees a long life expectancy. The Quattro Swing Eco Double Input Sharpener is made from recycled polystyrene and has inputs for both lead and colored pencils.

Size: 58 x 37 x D37mm. Möbius and Ruppert, or M+R, have a history within the pencil industry that dates back to 1908. They have produced high-quality sharpeners since 1922 and now offer a range of other tools.