Home > Accessories « Back Fibreglass Erasers Stock Status : In Stock Eraser type Retractable 2mm 2mm refill pack Retractable 4mm 4mm refill pack £10.50 Add to Wish List Send to a friend Print Description Condition: New This retractable pen contains glassfibre strands, that help erase fine detail on illustration board artwork, allows for short or long length erasing. Great for diffused light effects or highlighting were you do not want pin point sharpness.