Mitsubishi Pencil uni Mechanical Pencil Lead 0.5 mm, 5 Cases Retail Price: 100 yen per item Each case contains 16 leads, but some have been used or are broken, so they are not complete. Also, the outer boxes have some stains because they were stored with other stationery. They are still usable, but please understand that they are used items. Will be shipped in a water-resistant bag.