Refill your BL77-B pen with the Pentel® EnerGel® Liquid Gel Refill 0.7 mm in vibrant red. This high-quality gel refill is designed to provide a smooth and effortless writing experience. The 0.7 mm tip ensures precise and bold lines, while the red ink adds a pop of color to your work. Whether you're taking notes, writing letters, or creating art, this refill is perfect for adding a touch of creativity to your writing tool. Keep your BL77-B pen going strong with the Pentel® EnerGel® Liquid Gel Refill 0.7 mm in red.

Key Features:
• High-quality gel refill for the BL77-B pen
• 0.7 mm tip for precise and bold lines
• Vibrant red ink for added creativity
• Smooth and effortless writing experience
• Perfect for note-taking, letter-writing, and art projects