Monteverde Vegan Leather Zippered 12 Pen Case in Green/Black Color__Blue__fisher-space-pen-backpacker-ballpoint-pen-in-blue-anodized-aluminum-with-key-chain An ebonite piston and rubber

An ebonite piston and rubber gasket seals the feed from the barrel when fully depressed

Dawning Silver 28 mL fountain pen ink

The QuinkFlow is a updated version of Parker's original refill

Refill type: Parker-style type ballpoint cartridge

Monteverde Vegan Leather Zippered 12 Pen Case in Green/Black Color__Blue__fisher-space-pen-backpacker-ballpoint-pen-in-blue-anodized-aluminum-with-key-chain An ebonite piston and rubberCrafted with premium vegan leather, Monteverde USA deluxe zipper case offers secure, stylish storage for your pen collection. Available in 12, 24, and 36 pen capacities, each case features soft interior lining, individual slots for protection, and a smooth zipper closureperfect for collectors on the go or for elegant desktop display. Monteverde Vegan Leather Zippered 12 Piece Pen Case in Green Black Specifications Great for pen collectors Fits 12 pens