Set di matite meccaniche con astuccio numero 37, matite da disegno 0,3, 0,5, 0,7, 0,9 mm
0.3, 0.5, 0.7, 0.9mm can be used to draw different line thicknesses. It includes 12 tubes of 0.3mm-0.9mm resin leads and 11 tubes of 2.0mm graphite leads (6B, 4B, 2B, HB, 2H, 4H, Colored). 2 For Drawing.