Prismacolor Premier Verithin Colored Pencils allow you to create precise edges, fine lines, and razor-sharp details. The thin, extremely hard cores of the colored pencils resist crumbling and cracking while sharpening to a precise point. Prismacolor Verithin pencils are the artist's choice for lettering and detailing because of their unique combination of precision and durability. Additionally, the pigments in Prismacolor art pencils are of unparalleled quality and richness. For lettering, edges, and details, thin cores are ideal. Leads don't break, crumble, or crack. Lightfast, highly saturated pigments Hardened cores sharpen to an ultra-fine point making them perfect for adult coloring books