Pentel e-BALL Ballpoint Ink 0.5mm pen 

QTY: 10x BLACK 0.5mm

 They're perfect for everyday writing thanks to the long lasting ink cartridges.

• The oil based ink is designed to be permanent and durable.
• You can write for longer without your hand fatiguing thanks to the comfortable rubber grip.
• These pens are made using 78% recycled materials.
• Refillable with BKL5 refill