[Product Specifications] Package Includes: 1 set of lead refills (length 1.0 inch (25 mm), diameter 0.1 inch (2 mm), 1 pencil sharpener
【Drafting Compasse】The compass core is uniform and smooth for long lasting writing. Fits all standard drawing compass
【Durable】Lead, excellent toughness, not easy to break. Small and portable, this compass refill set is essential for work and study
Applications: The refills have transparent black and bright lines, suitable for mathematics, geometric drawings, engineering drawings, bow compass, etc
(Safe to Use) If you have any problems after your order arrives, please feel free to contact us at any time