Isomars Erasing Shield A simple metal plate with different sizes and shapes of openings Allow precise masking of small areas to erase without smearing Prevents accidental erasure of surrounding areas of a drawing Categories: Drafting Accessories, Drafting Brand: Isomars Share This Email Products in this RangeSME23Isomars Erasing Shield Explore more products Read more Isomars Rolling Rulers Read more Isomars Circular Protractor Read more Isomars Student Combination Template Read more Isomars Lettering Stencils Read more Isomars Drawing Boards – Plain