The pencils are eco-friendly as well. They are PEFC-certified, meaning that the wood comes from certified sustainably-managed forests. Staedtler's manufacturing processes also ensure efficiency and minimize the use of precious resources.
The following degrees of hardness are available, listed in order from softest to hardest: 8B, 7B, 6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, and 6H.
|Model Number||STAEDTLER 100-4B|
|Diameter - Max||7.4 mm|
|Length - Body||17.5 cm|