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. Widely used for school, office, students and office workers use. Specifications: Inks Color: Black; Blue; Component: Metal #A Size: Approx 4.5cm/1.77in #B Size: Approx 5.41cm/2.13in #C Size: Approx 7cm/2.76in #D Size: Approx 7cm/2.76in #E Size: Approx 7cm/2.76in #F Size: Approx 8.2cm/3.23in #G Size: Approx 8cm/3.15in #H Size: Approx 11.6cm/4.57in #J Size: Approx 10cm/3.94in #K Size: Approx 9.85cm/3.87in #L Size: Approx 9.5cm/3.74in Weight: Approx. 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. Widely used for school, office, students and office workers use.