20 x Parker Pen Refills Black Ink, 9.9cm Long Black Jotter Refill Compatible with Parker Ballpoint Pens, Medium Size 0.7 Nib (20)Less Worry About Running Out Multiple Pack Sizes : Available in sets of 5, 10, 20, or 50, these parker pen refills cater to all writing needs, whether for personal use, office supplies, or school. Each parker jotter refill features a 0. 7cm Medium Nib, making them a great choice for those who need parker ballpoint pen refills black in bulk. Perfect Fit Every Time Parker Compatible Refills: Parker pen refills black are designed to fit all parker pen