Parker Quink Gel Medium Point Refill (Black)Parker Quink technology combined with gel ink provides silky smooth writing with a specially formulated liquid that resists blockages. Each refill features a medium nib, ideal for general handwriting. For use with your Parker pen, simply unscrew the pen`s cap, remove the empty cartridge and insert a fresh refill for continued performance. Features 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