The Uni Ball Eye UB-157 Pen is designed with a unique ink flow system that ensures continuous flow and high writing performance up to the last drop. The ink is fade and water resistant. The tip contains a durable tungsten carbide ball. The pen also comes with a see-through ink chamber to monitor ink levels. It is suitable for everyday writing as well sketching and technical drawing.

• Tip: 0.7mm 
• Ink color: Red