History of the pencil axes

The age only of the stone ink seems to have used the lump of thinly sharpened graphite by using the thread and the wire, and sandwiching it by the board of the tree, and covering it with something lik...

https://www.tombow.com/en/mamechishiki/p04/

Background of the core improvement

The discovery of graphite chunks made a huge sensation in European society, which was struggling to write drawings and letters at the time, and was hit explosively. The price was soaring, and the lump...

https://www.tombow.com/en/mamechishiki/p03/

History of the Pencil core

Graphite (graphite) was discovered in the Cumberland Mountains of the Elisa Vèbes in 1564, England. In the beginning, the vein was dug up, and the improvement research was advanced although the graphi...

https://www.tombow.com/en/mamechishiki/p02/

The etymology of a pencil

The core made of graphite and clay is called "pencil" in the Japan the thing which sandwiched with the tree. In English it is wood cased pencil, and it is pencil to omit it in the Japan. It is though...

https://www.tombow.com/en/mamechishiki/p01/

Is there any harm to lick the pencil lead

Pencils are made by baking graphite (coral mate) and clay. Tombow's products meet the standard value of hazardous substances such as heavy metals according to the safety standards for heavy metals spe...

https://www.tombow.com/en/faq/01p/

How to remove accidentally dropped glue

If it is dropped on clothes, please wash the part with water at about 80°C. If it is dropped on floor or wall, wipe it with hot water as well....

https://www.tombow.com/en/faq/02g/

Concept of Tombow

Tombow is at your side, always. If stationery had not been by the side of people, neither verses of famous poems nor the world-changing inventions might have ever been born. If station...

https://www.tombow.com/en/concept/

Corporate

About Tombow Company Profile Message from CEO Company Histo...

https://www.tombow.com/en/corporate/

What is the replacement cartridge list

...

https://www.tombow.com/en/faq/07c/

What is the time limitation of pencils

The barrel and the lead of pencils do not get rotten, but pencil's condition gets worse in extremely dry or humid environment. The better the storage state, the more semi-permanently available. The ol...

https://www.tombow.com/en/faq/08p/

How to refill the cartridge

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https://www.tombow.com/en/faq/09c/

What is the replacement cartridge list

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https://www.tombow.com/en/faq/10e/

How to refill the cartridge

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https://www.tombow.com/en/faq/12e/

What is the replacement cartridge list

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https://www.tombow.com/en/faq/13g/

How to refill the cartridge

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https://www.tombow.com/en/faq/15g/

Why does the part written by colored pencils get whitened

The lead material of colored pencils contains a lot of wax. As the wax part gets pushed out to the surface, the tiny grains from the surface makes the written parts white. It is natural for wax to go ...

https://www.tombow.com/en/faq/19p/

How to use the refill ink Kei Coat charger

■ How many time it can refill? One bottle of Kei Coat charger can refill around 10 times. However, considering the life of the marking pens allow them to be refiled 5 times while purchasing pens. ...

https://www.tombow.com/en/faq/20m/

What to do when the ink does not come out

■ Is there any ink left? The amount of ink can be seen from outside of the lead, but it may be difficult to see if the lead is made of metal. ■ Ink Life Ballpoint pens have a lifetime of four to ...

https://www.tombow.com/en/faq/21b/

Why no ink coming out at first

For ballpoint pens, ink on the surface of the ball at the tip of the ball is transferred to the paper and written. If it is not used for a while, the ink dries and it is difficult to rotate the mass, ...

https://www.tombow.com/en/faq/24b/

Why does the writing line become multiple

The gap between the ball and the holder of the nib is created uniformly. When the holder is deformed by dropping or beating, and only a part narrows, ink does not get on the surface of the ball and is...

https://www.tombow.com/en/faq/25b/

How much to pull out the lead

Pulling out too much lead is not recommended, because the lead becomes easy to break. ...

https://www.tombow.com/en/faq/30s/

What direction to knock out the lead

If you knock the mechanical pencil upwards, the lead will come out, but you will not be able to use the tip. The spare lead placed in the barrel uses the refilling mechanism by gravity, so the tip doe...

https://www.tombow.com/en/faq/32s/

How long is the durability of mechanical pencils

The durability of the chuck is almost the same as that made of plastic and metal, and it is possible to knock more than 100,000 times. 0.6 mm is pushed out per knock, it becomes possible to use more t...

https://www.tombow.com/en/faq/33s/

Why is there no pin attached to mechanical pencils

Lead often got broken in the past because for its firmness, that was why a cleaner pin was attached to remove the leftover of the lead in the barrel. At present, the firmness of the lead has been impr...

https://www.tombow.com/en/faq/35s/

Why does the lead pull back

This phenomenon occurs when the lead is shortened and the Chuck no longer takes. When the lead is still long and it is withdrawn even in the state that it hangs to the chuck, it is possible to become ...

https://www.tombow.com/en/faq/36s/

What to do when stained by water-based marking pens [Play color 2, AB-T]

In the case of skin It will be eliminated slowly. Please wash with soap immediately. It may not eliminated immediately, but it becomes easy to wash repeatedly, and to eliminated by bathing, etc. I...

https://www.tombow.com/en/faq/41m/

Why is the tape cut

It does not cut when using it normally. Please note that the tape may be cut off from the transfer head or when the winding button is made strong....

https://www.tombow.com/en/faq/45c/

How to use correction tape on curves

In principle, it is made assuming a straight use. If you use a thin object with a tape width, you can draw some curves, but be careful. It is not advisable to use such a way that the tape can drop or ...

https://www.tombow.com/en/faq/50c/

How to handle the stuck tape

Please do not cut the correction tape by scissors when the tape cannot be taken out, for the fear thst the product might be broken....

https://www.tombow.com/en/faq/52c/

What materials are not suitable with correction tapes

Correction tapes cannot be used for gum tapes, color copy papers and printing materials of leaser printers with uneven surface. ...

https://www.tombow.com/en/faq/54c/

What are the precautions for using rubber erasers

When the rubber eraser surface is exposed to the sun, it becomes stiff. This occurs because the raw rubber of the eraser raw material reacts to ultraviolet light and has a hard nature. Please be caref...

https://www.tombow.com/en/faq/57e/

What are the precautions for using plastic erasers

The plastic eraser does not have much influence even if it hits the day. However, since the plasticizer contained in the material has the property of melting when it touches the plastic, please keep i...

https://www.tombow.com/en/faq/58e/