DescriptionMines. Suitable for all standard mechanical pencils. Extremely robust, flexible writing. Intense black. Easily rechargeable. Line thickness 0.5 mm. Graduation HReviews0 Close Mines. Suitable for all standard mechanical pencils. Extremely robust, flexible writing. Intense black. Easily rechargeable. Line thickness 0.5 mm. Graduation H Write a review There are no reviews yet