The OEM Prismacolor Magic-Rub Eraser SAN73201 is a nonabrasive, vinyl eraser designed for use on polyester-base drafting films and delicate drawing or tracing paper surfaces. This eraser effectively absorbs graphite and erases india ink, ensuring a clean finish. It erases quickly without smudging, smearing, or marring the working surface, making it an essential tool for artists and draftsmen.