Replacement leads for HB Milan 0.7mm mechanical pencils Graphite leads 0.7 mm in diameter. HB hardness, which facilitates writing. Refill for eraser & pencil: PL1 0.7 and COMPACT. It comes in a dispenser box with a practical sliding opening system. MILAN mechanical pencil leads are known for their quality and are suitable for a variety of activities from note taking to drawing. These leads are made of a special graphite and are resistant to breakage, so you will always have a clear and fluid writing. They are easy to recharge. Contains 12 mines. Hardness grade: HB. Brand: Milan.