Super abrasive leads are used as pencil and allow to create light to medium grays (to be used preferably on well polished plates). Conversely, tyou can use it like a scraper to erase existing elements. Available in grit 80 to 1200. Lead length about 50 mm (sample are half lenght)
In the micro version, they are very precise and allow a lot of detail.
In the proposed handles, you can also use micro etching tips, as well as micro silver tips.
Square section 0.3/0.5/0.7mm abrasives leads for micro tool Lenght 50mm