The Pentel Knockle Fit is the brush pen of Whiteboard Markers! Like the rest of the Knockle line, it is unique from other whiteboard markers in that you pump the ink into the tip as you need it. This version has a flexible tip that allows you to control the thickness of your lines.
Available in orange, purple, green, black, blue, and red
Clear ink cartridge allows you to see ink level
Knock mechanism keeps your writing bold, even when ink is low!
Pump several times upon first use to get it started
Arrived quickly and came in perfect condition. My friend has these markers and after using them over this past semester, I just had to get a set of my own. Great on any whiteboard and is continuously vibrant.
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