2 x BLACK Parker Gel Ballpoint Pen Refill Medium 0.7mm 

• Enjoy a reliably smooth, colourful writing experience by transforming your PARKER ballpoint pen into a gel pen
• Consistently skip-free, fluid and quick drying formula for neat marks with fewer smears
• Intense black gel ink captures your thoughts
• Medium tip for deep, easy-to-read details
• Includes: 1 black gel ink refill designed to fit all PARKER ballpoint and gel pens