Features: Package includes 100Pieces Replaceable Ballpoint Pen Refills. Sufficient quantity for daily writing need. Standard ballpoint pen refill, easy to replace. 1.0mm pen tip, smooth writing experience. Suitable for most rertactable ballpoint pen, multifunction ballpoint pen. These pen refills for rertactable ballpoint pen provide you a smooth and quick writing, and will not leave dry spots. Widely used for school, office, students and office workers use. Specifications: Inks Color: Black; Blue; Component: PP Size: Approximately. 9.8cm/3.86in Weight: Approximately. 80g Note: 1.Please allow 0-1cm error due to manual measurement. make sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color Package includes: 100Pieces Retractable Ballpoint Pen Refills Package includes 100Pieces Replaceable Ballpoint Pen Refills. Sufficient quantity for daily writing need. Standard ballpoint pen refill, easy to replace. 1.0mm pen tip, smooth writing experience. Suitable for most rertactable ballpoint pen, multifunction ballpoint pen. These pen refills for rertactable ballpoint pen provide you a smooth and quick writing, and will not leave dry spots. Widely used for school, office, students and office workers use.