The formula is secret - the pencil is world-famous!
 
These highest quality graphite pencils lay smoothly over the paper surfaces and yet have a high erasability value. They contain top quality break-resistant graphite fantastic for not snapping while sharpening or for you heavy-handed people. Soft (8B) to extra hard (6H). Soft leads are best suited to sketching and blending. Harder pencils excel for their ability to hold sharp points and are used for straight line and detail work.
 
Premium-quality pencil for writing, drawing and sketching on paper and matte drafting film
The wide range of degrees makes Lumograph the ideal tool for artists and graphic designers
Especially break-resistant thanks to super-bonded lead
Lines reproduce well
Easy to erase
Easy to sharpen with any quality sharpener
 
These high quality graphite pencils glide smoothly over the paper. They are highly break-resistant and easy to erase. The entire length of the graphite pencil lead is bonded to the wood to help prevent breakage, especially when sharpening.