The Erasable Frixion Point Is A Unique Needle Point Pen That Contains Thermo Sensitive Gel Ink. Precision- Engineered With A Tungsten Carbide needle Point 0.5mm Ball, Delivering An Extra Fine 0.25mm Line. Perfect For Those Who Like Ultra Precise Writing. The Heat Generated By Friction When Rubbing The Paper With The Special Tip Turns The Ink Invisible. With No Damage To The Paper, You Can Erase And Instantly Re-Write Over Your Mistakes. Ideal For Everyday Use At Home, Work Or School. Frixion Point Is Available In A Wide Range Of Colours. Note: Do Not Use Frixion Point On Legal Documents Or Cheques, Or When Writing Exams. Refillable With Frixion Refills. Write, remove and rewrite with Pilot Frixion! With unique thermo-sensitive gel ink disappears with friction. Mistakes vanish like magic! No traces or eraser residue at all. Rubberized grip ensures comfortable writing. Easy to refill too!