What is this tool used for?

[VWatchie]

It's probably more than 50 years ago, but I still vividly remember this tool being in a drawer at my grandfather's house when I was a kid. I had no idea what it was or what it was for but I was for some reason intrigued by it and played around with it. I think I asked my parents what it was and they had no idea so, being a kid, I guess I didn't think it was any use asking my grandfather.

So, can anyone please tell me what it is and what it is used for? Thank you!

[Tmuir]

It's not a glass cutting tool is it?

[jdm]

It's a glass cutter

https://www.aceuae.com/en-AE/suki-glass-cutter/930206.html

[Tmuir]

Yep, going with glass cutter.

https://www.hobbytools.com.au/assets/thumbL/BK8098.png?1560322947

 

https://www.alibaba.com/product-detail/Top-quality-six-wheels-glass-cutter_382983976.html

Edited December 29, 2019 by Tmuir

[Flubber]

I agree with Tmuir, it's a glass cutting tool. First, you scribe the glass with a sharp and hard edge (like an industry diamond) and then you put your tool on the edge of the glass into any of the two cut outs in the tool depending on the thickness of the glass and rotate the tool so to "bend" the glass and hopefully the glass will break were you scribed it.

[jdrichard]

Glass cutter, 100%


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[VWatchie]

Thanks guys! So, a glass cutting tool. Hmm... it is advertised as a watchmaker tool but without any further description of the tool. I guess that's just the seller's assumption then!?

[SparkyLB]

On 12/30/2019 at 4:35 AM, VWatchie said:

. . .  . I guess that's just the seller's assumption then!?

The seller suggests larger panes, i.e. Grandfather Clocks?

Edited January 10, 2020 by SparkyLB

[VWatchie]

8 hours ago, SparkyLB said:

The seller suggests larger panes, i.e. Grandfather Clocks?

Yes, that seems to be the case! The ad has been updated with a description since the last time I had a look. Thanks!