Attributive use of the noun; not normally gradable.
Translations
He keeps a touch-up paint pen in the glove compartment for small scratches.
У него в бардачке лежит корректирующий карандаш с краской для мелких царапин.
Definitions
Designed for, intended for, or relating to making minor corrections or improvements. He keeps a touch-up paint pen in the glove compartment for small scratches.