Staedtler Mars Plastic Eraser (20 Pack) 526-50This premium eraser is ideal for professional use, being suitable for use with graphite on paper and matt drafting film, as well as erasing OHP pen from overhead transparencies. Each eraser comes packaged in a practical cellophane wrapping with a tear strip for easy removal and a slide sleeve for protection. This bulk pack contains 20 white erasers measuring W65 x D23 x H13mm.    High quality eraser for everyday use    Erases graphite on paper and matt drafting film    Suitable for OHP pen on transparencies    Each eraser comes with a protective sleeve with an easy tear strip    Dimensions: W65xD23xH13mm    Colour: White    Pack of 20