Mitsubishi Pencil Uni HB Mechanical Pencil ULS0540HB 0.5 Leads, 10-Pack, Boxed,

[Smudge-proof manufacturing method] A new manufacturing method for producing a tight-fitting core that prevents smudges by using a unique ingredient blend to make the core powder adhere to the paper surface. [Lead diameter] 0.5 mm [Quantity] 40 pieces x 10 packs [Hardness] HB [Size] Height 76.0 x Width 20.0 x Thickness 7.0 mm / Weight 6.3 g [Material] Front case: ABS, Back case: PP