Uni-ball Signo 307 Gel Ink Ballpoint Pen 0.38mm/0.5mm/0.7mm

Tip: Stainless Steel
Ball: 0.7mm/0.5mm/0.38mm Tungsten Carbide Ball
Barrel: Plastic (PC) & Elastic Rubber
Ink Color: 3 Colours (Black, Red, Blue)
Ink Refill: UMR-87E/ UMR-85E/UMR-83E
 
Quantity: 1pc
**Every 12 pcs of the same variation will be in 1 box**
 
√ The Uni-ball Signo 307 Rollerball is a gel pen that is retractable which prevents the nib from drying out and allows leak-free storage.
√ The ink it uses is Uni Super Ink that makes it waterproof, fraud resistant and permanent perfect for legal documents or for scrapbooking.
√ It’s rubberised grip makes it comfortable to use for long periods, and it’s newly developed nib makes it perfect for long essays, if you are a student the Signo 307 is a must.
 
Smooth writing that doesn't blur even when writing at high speed
We are the first in the world to put cellulose nanofiber to practical use, achieving a smooth writing experience that does not blur even when writing at high speed. (Ball diameter: 0.38mm/0.5mm/0.7mm)
 
 
It doesn't fade even when writing quickly.
The viscosity changes appropriately during writing and can withstand fast writing, so the lines do not fade.
 
Less likely to cause ink stagnation
Since the viscosity decreases when writing, the ink adheres firmly to the paper surface, making it difficult for ink to remain on the pen tip and forming ink pools.
 
 
High-quality carbon pattern design perfect for office use
 
Does not smudge even when wet with water
Since it is a pigment ink, it has excellent water resistance and light resistance, resists fading due to light, and does not smear in water.
 
What is the next generation material “cellulose nanofiber”?
Cellulose nanofiber is "Japan's first new material" that has been attracting worldwide attention in recent years. It is a new plant-derived material made by finely loosening the same pulp used in paper and other materials down to nano-sized particles, and research and application development is being promoted as part of the "Japan Revitalization Strategy" to turn forestry into a growth industry. By disentangling it finely, a fine-grained transparent gel is obtained, which is easy to flow out evenly and smoothly even from the small gaps in the nib of a ballpoint pen, and whose viscosity changes appropriately under various writing situations, resulting in a smooth gel that goes beyond conventional wisdom. You can get a nice writing feel.