Pilot FriXion Synergy Knock. The Synergy Knock line of Pilot FriXion ballpoint pens introduces an innovative "Synergy tip" that combines two types of metal tips typically available for ballpoint pens - the "cone" tip, which is sturdy and provides a stable writing experience, and the "pipe" or needle point tip, which allows for precision. The new proprietary "Synergy" tip from FriXion combines the two conventional tips to create a high strength writing tip with a smooth ink flow, even for very fine writing.
The FriXion Synergy Knock pen has a matte gray barrel that is smooth and comfortable to grip, with a pen clip that matches the color of the ink. The FriXion eraser on the end of the pen body comes in a different color for 0.5, 0.4, and 0.3 mm diameters, making it easy to distinguish the point size of your pens in your pencil case.
Since the ink reacts directly to temperature, it is recommended not to leave it under direct sunlight or in environments hotter than 140 Fahrenheit.
- Length: 14.2cm (5.6 in)
- 0.5 mm
- Refills available here
- Available in 0.3, 0.4 and 0.5 mm
- More FriXion pen colors and options here
About FriXion:
The FriXion ink is erasable by rubbing with the tip of the pen to create the frictional heat needed for the ink to disappear. Since the ink reacts directly to temperature, it is recommended not to leave it under direct sunlight or anything that's hotter than 140 Fahrenheit.
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