Features: Package includes 10pieces Replaceable Ballpoint Pen Refills. Enough quantity for daily writing need. Standard ballpoint pen refill, easy to replace. Suitable for most twist action ballpoint pen, multifunction pen. Ballpoint pen refills 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: Metal Metal Refill Size1: Approx. 44mm/1.73in Metal Refill Size2: Approx. 62mm/2.44in Metal Refill Size3: Approx. 70mm/2.75in Metal Refill Size4: Approx. 82mm/3.23in Metal Refill Size5: Approx. 115mm/4.52in Plastic Refill Size1: Approx. 37mm/1.45in Plastic Refill Size3: Approx. 55mm/2.16in Weight: Approximately. 10g Package Includes: 10Pieces Ballpoint Pen Refills 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 10pieces Replaceable Ballpoint Pen Refills. Enough quantity for daily writing need. Standard ballpoint pen refill, easy to replace. Suitable for most twist action ballpoint pen, multifunction pen. Ballpoint pen refills provide you a smooth and quick writing, and will not leave dry spots. Widely used for school, office, students and office workers use.