Cross Type 8513 Style Ballpoint Refill.
Black, Blue, or Red Colours to choose from.
8513 form to fit Cross pens, or any other pen in this shop marked '8513'.
Will NOT fit rollerball pens or pens marked with 'G2'.
Blue and Red refill exterior colours can vary from the photos, though every refill regardless of the exterior colour can be described as 'Pure Blue' or 'Pure Red'.
Not genuine Cross refills, only compatible.
Price is for 1 refill, unless purchasing the set of 9.