Black Ballpoint Pen Refills 20Pack 0.5mm, 10ml Large Capacity Smooth Ink Refills, Durable Universal Pen Refill Set, Essential Office Stationery Supplies for Home Office Business

20Pack Ballpoint Pen Refill Pen Fine Nib School Office Supply New
Feature:
Size:13cm
Writing point: 0.38mm/0.5mm
Pen ink : black, blue, red
Quantity:20 pack neutral pen refill
Large-capacity ink cartridges to ensure writing time
No leakage of ink, visible lines, writing smoothly and handy
Office, students, teacher required neutral signature refill pen core
Package include:
20 x pen core