Mitsubishi Pencil Uni Jetstream Pen Refill - Black Ink - 0.5mm (10 pcs)

This is a Black 0.5 mm refill designed for use with the Jetstream ballpoint multi-pens. The ink is known for being vibrant and smooth-flowing, as well as featuring a unique spring mechanism that effectively prevents ink leakage. It is also equipped with a twin ball located at the back of the tip to prevent backflow.

Product details:

• Ink Type: Oil-Based, Fade-Resistant, Fraud Prevention, Low-Viscosity
• Ink Color: Black
• Tip Size: 0.5 mm
• Quantity: 10
• Size - Length:  3.5 inches / 8.8 cm
• Weight: 1 g / 0.03 oz