NITRAM Mignonettes - Baton Refills - Box of 7 Soft Natural Charcoal Sticks - Square - 4 mm x 4 mm x 15 cmNITRAM Mignonettes are Extra Soft (B+) Charcoal Sticks for dark notes & shading. The charcoal itself is dark & velvety smooth. The Mignonettes are approximately 4 mm squares & are 15 cm long (3 16 square x 6 Long). NITRAM is considered the finest charcoal for drawing for a while now and is the preferred charcoal of professional artists, academies and ateliers. These charcoal sticks can be sharpened to a very sharp point using the NITRAM Sharpening