Excellent quality rubber from reputable company Cretacolor made of natural rubber. Very well erases pencil, charcoal, pastels, crayons, sangwin and sepia. It does not crumble excessively, it does not destroy paper. Available in two sizes.
The 1900 series graphite pencils are high-quality professional products. They are characterized by the highest purity of graphite, free from undesirable particles.