A Twist Cross Refill pen is a writing instrument that uses a twist mechanism to extend or retract the writing tip. Typically designed to be used with Cross-brand pens, these refills are known for their smooth writing experience and high-quality ink. The twist mechanism is often integrated into the pen body, allowing for easy and convenient use without the need to press a button or cap.

The refills are available in various ink types, such as gel, ballpoint, or rollerball, and come in multiple colors, including black, blue, and red. They are designed to fit specific Cross pens, ensuring a secure and seamless fit for reliable performance. Twist Cross Refill pens are popular for their durability and long-lasting ink, making them a favored choice for both everyday use and professional settings.