[SG] Pilot Frixion Ball Knock Zone 0.5mm/0.7mm Erasable Black Ink Pen [Evergreen Stationery]

Featuring improvements to both the ink and body design, the FriXion Ball Knock Zone takes the world's most popular erasable gel pen to new heights. Its ink is 30% more vibrant than the original black FriXion ink. A cushioning spring in the knock mechanism makes clicking the pen quieter. And a special clutch in the tip holds the refill securely in place and completely eliminates tip rattle.
This pen also features a chic, office-friendly design with a comfortable rubber grip section.
FriXion pens use a special thermosensitive ink that turns invisible when rubbed with the built-in friction "eraser." The ink disappears cleanly without using up the eraser or creating any dust or smearing. The ink will also disappear if exposed to other sources of heat or friction, so JetPens advises against using these pens to address envelopes or leaving anything written with them in a hot car. Like magic ink, erased FriXion ink reappears if placed in a freezer or otherwise exposed to temperatures below 14° F (-10° C).
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