12 Pieces Solid Carpenter Pencil Refills for Constructions, 2.8 mm Deep Hole Mechanical Pencil Replacements Grey Red Yellow Colored Pencil Refills for Scriber Wood Floor Marking Architect Drawing
Brand: Hiboom
Color: Yellow,Grey,Red
Durable and strong material: grey 2B refills are made of graphite, which can increase the durability and resistance to moisture