Staedtler Mars-Matic Technical Pen 0.35mm 700 M035

【Smooth-Writing Technical Pen】
Sold as-is.
Offered at a lower price due to being sold as-is.
In the event of any malfunction after use, please handle it yourself.
*Please bid only if you are able to repair it yourself, have the necessary equipment, or intend to use it for parts.

The double cap with built-in spring seal completely protects the nib from the outside air, preventing clogging due to drying.
It adjusts the internal air pressure to maintain optimal conditions at all times.
It also adapts to sudden changes in air pressure, preventing ink blobs and leaks.
The nib and the tip of the needle are specially precision-ground for a smooth writing experience.
The nib can be easily replaced.
Convenient for use with compasses and templates.
Available in 12 line widths (including 6 ISO types), so you can switch them out according to your needs.

【Writing Vertically】
Designed to be written with at a near-vertical angle.
Please write with a light touch as close to vertical as possible.
Applying strong pressure will not only fail to change the ink density or line width, but can also cause paper fibers to adhere to the nib, leading to clogging.

【After Use】
After use, wipe off any ink or paper fibers adhering to the nib with a tissue, then securely close the cap and store horizontally.
If you will not be using it for several days, please wash it thoroughly, dry it, and then store it.

【Next Time You Write】
Attempting to write when the ink is not flowing properly can damage the nib.

【Ink Refill】
Before returning the cartridge or ink tank to the grip section, shake out any remaining ink between the grip and the nib until it is gone.

【Cleaning Method】
Remove the nib using the nib key on the holder shaft. Expose the nib, grip, and ink tank to running water and gently shake until the ink stops flowing.
Pay particular attention to the nib, continuing until the needle moves freely.
After cleaning, dry thoroughly.

【If Ink Has Hardened】
If the ink has hardened, soaking it overnight in a cleaning solution made of neutral detergent and water in a 1:10 ratio, and using an ultrasonic cleaner in conjunction, is most effective.
Rinse thoroughly with the cleaning solution before use.
*If the ink has become extremely hard, it may not be recoverable.

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