TIESOME 5pcs Replaceable Ballpoint Pen Refills with Spring Metal Ball Point Refills Smooth Writing Pen Refills, 0.7mm Retractable Ballpoint Pen Refills for School Office Supplies (Blue)

Features

• Suitable Size: 0.7mm replaceable metal ballpoint pen refills are about 9.9 cm/ 3.9 inches long, and easy to carry, you can put them in the study or office, so you can use them when needed, suitable for most ballpoint pens with the same refill
• Durable and Smooth: these metal ballpoint pens refills can be applied for a long time and extend the life of your favorite pen; Moreover, the nib design is smooth, and the ink of the pen refill will not suddenly break when writing, giving you a pleasant writing time
• Extra Springs: each refill is equipped with a matched spring so that the pen can be applied normally when its original spring is lost, you can remove the spring if you do not need it, and then stored it as the backup gadget
• Quality Material: the outer part of these ballpoint pen refills is made of metal, they are durable and sturdy, featuring good touch, smooth appearance, and inside ink that does not smell, the ink these metal ballpoint pen refills is quick-drying, you don't have to worry about ink sticking to your hands, desk, etc
• Wide Applications: The retractable pen refill is suitable for use in different scenarios, such as office, business, classroom, shops, school and home etc. It can even be given as a gift to friends, family, children and students