Clean room marker, edding®, 8011, black,round tip, extra fine, 0,6mm, 10 unit(s)Clean room marker, edding, 8011, black,round tip, extra fine, 0,6mm For permanent markings in cleanroom and dust free environments. Writes reliably on smooth surfaces, such as special cleanroom paper, laminated paper and foil. Tip and shaft have been developed specially to prevent contamination with dust; this is why it contains no metallic parts and has no label or lettering. Round tip Wipe and water proof Markings can be removed from all smooth