Ain Stein Mechanical Pencil Refill

Pentel upgrades your writing with Ain Stein refills. This next-gen lead boasts superior strength and darkness thanks to its unique SiO₂ technology. Smudge-resistant and smooth, these refills deliver a darker writing experience without sacrificing durability. The compact, refillable case holds 40 refills and features a convenient twist-top dispenser.