The STABILO B-37602-10 is a pack of replacement graphite lead refills designed for the STABILO EASYergo ergonomic mechanical pencil. 

Product Details

Item Type: Mechanical pencil lead refills

Lead Size: 3.15 mm thick medium/jumbo lead

Hardness Grade: HB (ideal for smooth writing and school work)

Intended Use: For children learning to write using the STABILO EASYergo mechanical pencil series