The eraser grabs a little stronger, without hurting the paper. He rubs quite strong at low pressure. This means that even children's hands thus bring very acceptable results. The many resulting Radierkrümel are quite small, meaning there is something unschönere residues, as with Kunststoffradiergummis. Conclusion: Good for precise, low-force Erase - more Radierstaub than usual. Thus, a good complement to Rotring B20