<br>Coopay 600 Pack Lead Refill 0.7 mm HB Break Resistant Mechanical Pencil Lead, 12 Pack Per Tube, 50 Tubes (0.7 mm) <br> <br>Commonly style: <br>Universal size at school or office, these lead refills can work well with 0.7 mm lead mechanical pencil; The details it wrote down can be scanned by machine <br> <br>Wide applications: <br> Suitable for all general writing applications such as notes, letters, and you can use it for office, classroom, home and other occasions <br> <br>Specifications: <br>Quantity: 50 tubes (600 pieces) <br>The diameter of a lead: 0.7 mm <br>The length of a lead: 60 mm <br>Color: black <br> <br>Package includes:  <br>50 x HB black lead refills (0.7 mm) <br> <br>Note: <br>Please confirm your pencil suitable for 0.7 mm before ordering.