Features:

• COMPATIBILITY: The Cross Ballpoint Refill, Medium Point, 8518-4 - Black is compatible with the Cross Tech3+, Tech4 and Lumina Ballpoint Pens (sold separately.)
• LIFETIME MECHANICAL WARRANTY: All Cross writing instruments are unquestionably guaranteed against mechanical failure, regardless of age. (Some exclusions apply.)
• RELIABLE WRITING: High quality ink formula offers consistently smooth laydown while the medium-point tip produces crisp, bold lines for excellent visibility. 0.31mm Line Width. Included refill writes up to 1.2 miles!
• GIFT READY: The gift of choice for generations. Perfect for birthday’s, graduations, promotions, anniversaries, and more. A Cross writing instrument offers both practicality and sentimental value. Proudly presented in a Gift Box.
• CROSS HERITAGE: We've been writing our story since 1846. Inventing. Innovating. Always evolving. Since our earliest days, Cross has rewritten the rules for putting pen to paper. Our founder Richard Cross was a passionate champion of writing as an art form – a personally rewarding experience worthy of distinguished, expertly-crafted tools.
• Authentic Cross Refill
• Medium point, black ink.

Details: Ballpoint pen refills for Use with the tech 3, Cross Autocross, compact pens, leather accessory pens, and more.