DescriptionMines. Suitable for all standard mechanical pencils. Extremely robust, flexible writing. Intense black. Easily rechargeable. Line thickness 0.5 mm. Scale 3BReviews0 Close Mines. Suitable for all standard mechanical pencils. Extremely robust, flexible writing. Intense black. Easily rechargeable. Line thickness 0.5 mm. Scale 3B Write a review There are no reviews yet