The quality of the tyre and the choice of the correct tyre are crucial for optimal results. As a rule, two different materials are used in the manufacture of tyres: rubber and plastic. Faber-Castell tires are free of PVC and contain no harmful phthalate plasticisers. The balance between rubber and plastic guarantees soft and smooth erasing.
The Perfection 7057 tire is for precise adjustments.
The red part is soft and corrects black and colored pencils, as well as copies.
The white part is hard and corrects ink.
It sharpens at both ends, respectively.
It doesn't contain latex. 
