OHTO PROMECHA 0.4 (OP-1004P)

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This is a discontinued drafting mechanical pencil from OHTO.
This product is the PROMECHA 0.4 (OP-1004P).

OHTO is a long-established writing instrument manufacturer with technology and a proven track record, having developed rollerball pens (water-based ballpoint pens) in the past.
Regarding 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 smooth, knurled grip that prevents slipping.
The pen tip is 0.4mm.

This is one of the pencils I collected when I was a student of architecture, and it is unused. It has been carefully stored, so there are almost no scratches on the body.
The eraser is also unused. (There is some slight soiling from the time of purchase)
The pen tip extends when you twist the grip, a mechanism that prevents the pen tip from breaking, a weakness of drafting mechanical pencils.
The metal shaft provides high durability and a luxurious feel.