These Tombow Mono Graph refill leads are made for 0.5 mm mechanical pencils. The B grade is softer and darker than HB, giving rich, bold lines that are great for sketching, shading, and underdrawings before you color with Copic markers. They pair perfectly with the Tombow Mono Graph mechanical pencil, in the same Mono color.
Two ways to dispense: Choose the dot (・) side for a small amount, or the asterisk (*) side to dispense a larger amount at once.
The lead color: Black