Rare unopened boxes of 12 new old stock, unused vintage Japanese pencil leads. These were specially packed for Japanese wholesaler [Wholesale corporation Shōwadō (Sōhatsubaimoto kabushikikaisha Shōwadō )], and contain their name on separate paper inserted into the box. Brand: Pentel Hi Polymer Super Hardness: ( 4xH, 4x2H, 4x 3H ) Diameter: 0.5 mm Length: 6cm Each box contains 30 leads Date: probably 1960s Condition: NOS, unopened, unused. Minor abrasions on the wrap. Pentel leads are among the best in the world. Free shipping with USPS. Please email me with questions. No international shipping.