PILOT ballpoint pen refills, black 0.7mm, set of 2. I accidentally bought these, and while one of the two has been opened, it's unused (see photos). Please purchase only if you don't mind this. - Brand: PILOT - Model Number: BRFV-10F-B - Color: Black - Thickness: 0.7mm Compatible products: Acroball, Acro 1000, Acro 300 Thank you for looking.