.9mm Sierra pencil??

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darrin1200

Member
Joined
Mar 17, 2010
Messages
1,857
Location
Lyn, Ontario, Canada
Hello all.

I picked up some pencil kits second hand. They have a Sierra styling but use a .9mm continual twist mechanism. This is a style of pencil mech that I like.

The problem is, that I can find no information (instructions) regarding these. I built one and assembled it. However it operated very rough, as if the mechanism were catching on something. It worked a few times, now it has stopped. It is like the mechanism is all the way in and won't turn back out.

Does anyone know anything about these kits?
Did they have some form of flaw which is why they are not sold any more?

Any info would be greatly appreciated.
 
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