Your search for "cross ballpoint" revealed the following:

Monteverde - Refills Size-It - Black - Ballpoint Pen - Medium Point

The New Monteverde Size-It refill is a ballpoint refill that fits many ballpoint refills by cutting the refill down to...

Caran D'ache - Ballpoint Refills - Goliath Refill - Medium Point - Green

Caran D'ache - Ballpoint Refills - Goliath Refill - Medium Point - Green Features: Available with a Fine Tip in...

Lamy Black Broad Point Ballpoint Pen Refills

Fits the 2000 Accent Al-Star Logo ST Vista Persona Lady Linea and Safari

Pilot - Blue - Ballpoint Pen - Medium Point - Refills

Pilot ballpoint pen ink refill. Designed to fit Pilot Vanishing Point Ballpoint Pens.

Fisher Space Pen - Refills - SPR9 Pressurized Cartridge - Turquoise Ink - Medium Point

The Fisher Pressurized Refills is the Fisher standard 3 1/2 inch Pressurized Cartridge that fits most of the Fisher Space...

S.T. Dupont Refills Defi Black Medium Point Ballpoint Pen

Lamy Refills Black Broad Point Ballpoint Pen

Fits Scribble Pico Pickup or Agenda pens.

Waterman - Refill Maxima Black Fine Point Ballpoint Pen

For use with Waterman ballpoint pens Black ink Fine point Refills measure approximately 4.5 inches long

Pilot - Refills - Black - Medium Point - Ballpoint Pen

Fits Dr. Grip Center of Gravity pens.Fits Dr. Grip Center of Gravity FullBlack PureWhite Axiom and Pilot Metropolitan Ballpoint Pens....

Pilot - Refills - FriXion Red - 3-Pack - Fine Point - Ballpoint Pen

FriXion Erasable Ink Refills Fine (0.7mm) 3 pack red