OHTO PROMECHA 1000M/0.3 (OP-1003M)

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This is a discontinued drafting mechanical pencil from OHTO.
This product is the PROMECHA 1000M/0.3 (OP-1003M).

OHTO is an established writing instrument manufacturer with a long history of technology and achievements, having developed rollerball pens (water-based ballpoint pens) in the past.
In terms of drafting mechanical pencils, they produced products with gimmicks that stimulated the desire to own them, but most of them have now been discontinued.
This model features a mechanism for extending the pen tip and a knurled grip that is non-slip.
The pen tip is 0.3mm.

This is one of the pencils I collected when I was a student of architecture. It is unused, but there are some minor scratches from when it was sold in stores. The logo is still clean.
The pen tip extends when you twist the grip, a mechanism that prevents the pen tip from breaking, which is a weakness of drafting mechanical pencils.
The metal body is durable and has a high-quality feel.