Ink can be removed by friction and heat This FriXion Ball Clicker US erasable gel ink pen is retractable, with the clear clip serving as the clicker for extending and retracting the tip The refill Frixion Ball, from Pilot, with a line width of 0., 7 mm is suitable for the Frixion Ball, Frixion Ball slim, as well as the Frixion Ball Pro. Buy Pilot Frixion C3 0.7 mm Fine Point Roller Ball Pen, 2 Blue, 1 Black Heat Erasable Pen For Fabric Jual Gel Pen PILOT Frixion Ball Clicker (Erasable) | Indonesia Purple Pen The leads come in a set of 3., Line width: 0., 7 mm PILOT Frixion Heat/Friction Erasable Rollerball Pen FR7 - Medium Line 0.7mm Tip Nib - In Envelope Gift Packaging - Pack of 1 Pen 3 Refills (Violet This is a metamorphic ink. The ink becomes invisible due to heat exposure, and only appears again when the cold is influenced.
