Never write a mistake again – guaranteed! Pilot FriXion Ball erasable gel ink pens allow you to write erase and rewrite repeatedly without damaging documents. The FriXion line of erasable pens write smoothly and erase cleanly without any wear and tear to the paper or messy eraser shavings. FriXion’s unique thermo-sensitive ink is formulated to deliver both vibrant color and smooth writing. Pilot s FriXion Ball is refillable with a classic capped design. Great for editing lists scheduling and so much more!