Hexagonal, casing, varnish matches the hardness degree
Superior quality lead, hard to soft depending on the hardness degree
Diameter ranges from 2.1 - 3.6 mm
TECHNIQUES FOR USE
Pointillism, hatching, writing, sketching, shading, blurring, technical and artistic design, mixed techniques
9B, 7B, 5B, 3B : Extra fine graphite pencils to allow uniform shading of large areas and a regular, intense stroke
HB : Extra-fine graphite for hatching and superimposing
2H : Extra-fine pencil for intense, regular, fine and extra fine lines (technical drawing, scientific illustration, etc.)
Swiss Made 
Made in Switzerland