Pentel Ain STEIN 0.5mm Mechanical Pencil Lead – Black

A companion to the?OHTO Wooden Mechanical Pencil,?this pack of refills includes either lighter HB lead or standard B lead, ranging from B to 4B (the darkest). Each pack comes with 40 refills. Keep the travel-sized tube in your bag or pencil case and ensure that you never run out of graphite.