# What is this\[nail-like thing\]? --edited title

**URL:** <https://boards.straightdope.com/t/what-is-this-nail-like-thing-edited-title/650143>\
**Category:** In My Humble Opinion\
**Created:** [February 13, 2013, 2:18am UTC](https://boards.straightdope.com/t/what-is-this-nail-like-thing-edited-title/650143 "2013-02-13T02:18:51Z")\
**Posts on this page:** 5\
**Page:** 2

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**Author:** ![ducati](https://avatars.discourse-cdn.com/v4/letter/d/cc9497/32.png) [@ducati](https://boards.straightdope.com/u/ducati)\
**Post date:** [February 14, 2013, 6:12am UTC](https://boards.straightdope.com/t/what-is-this-nail-like-thing-edited-title/650143/21 "2013-02-14T06:12:20Z")

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> [@DocCathode](#):
>
> It’s a self-sealing stem bolt.

> [@kenobi\_65](#):
>
> Well played, young Mr. Sisko. 😉

Nerds!

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**Author:** ![Mangetout](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mangetout/32/19_2.png) [@Mangetout](https://boards.straightdope.com/u/Mangetout)\
**Post date:** [February 14, 2013, 7:58am UTC](https://boards.straightdope.com/t/what-is-this-nail-like-thing-edited-title/650143/22 "2013-02-14T07:58:54Z")

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> [@NitroPress](#):
>
> No, just regular grid balls. For strange grid balls, the twist goes the other way.

For mysterious strange grid balls, the twist is on the inside.

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**Author:** ![ddaug4uf](https://avatars.discourse-cdn.com/v4/letter/d/73ab20/32.png) [@ddaug4uf](https://boards.straightdope.com/u/ddaug4uf)\
**Post date:** [February 14, 2013, 11:20pm UTC](https://boards.straightdope.com/t/what-is-this-nail-like-thing-edited-title/650143/23 "2013-02-14T23:20:06Z")

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An update…

[![](http://www.adventure4sale.com/images/5b66b5dbd8ba08e2e77b6f3cbfa2a03f.jpg) ](http://www.adventure4sale.com/images/5b66b5dbd8ba08e2e77b6f3cbfa2a03f.jpg)

The contest is over, by the way.

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**Author:** ![Amateur\_Barbarian](https://avatars.discourse-cdn.com/v4/letter/a/59ef9b/32.png) [@Amateur\_Barbarian](https://boards.straightdope.com/u/Amateur_Barbarian)\
**Post date:** [February 15, 2013, 12:08am UTC](https://boards.straightdope.com/t/what-is-this-nail-like-thing-edited-title/650143/24 "2013-02-15T00:08:13Z")

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> [@Mangetout](#):
>
> For mysterious strange grid balls, the twist is on the inside.

But only partially cast.

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**Author:** ![Peter\_Morris](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/peter_morris/32/359_2.png) [@Peter\_Morris](https://boards.straightdope.com/u/Peter_Morris)\
**Post date:** [February 15, 2013, 12:20am UTC](https://boards.straightdope.com/t/what-is-this-nail-like-thing-edited-title/650143/25 "2013-02-15T00:20:34Z")

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> [@ddaug4uf](#):
>
> An update…
> 
> [http://www.adventure4sale.com/images/5b66b5dbd8ba08e2e77b6f3cbfa2a03f.jpg](http://www.adventure4sale.com/images/5b66b5dbd8ba08e2e77b6f3cbfa2a03f.jpg)
> 
> The contest is over, by the way.

I think it’s a locksmith’s tool for extracting broken keys.  
compare:

[Keysplease - Broken-Key-Extractor-(per-unit)](http://www.keysplease.co.uk/AMMEXTRANET/Public/displayProductDetail.asp?id=%7B77AB0FA0-54F4-41A3-9612-C28CB97D686E%7D)  
[http://www.clksupplies.com/shop/images/DCP\_1173.JPG](http://www.clksupplies.com/shop/images/DCP_1173.JPG)

> **[Broken Key Remover Screw Type $18.48 ???? Dr Lock Shop ????](https://www.drlock.com.au/store/broken-key-remover-locksmith)**
>
> Dr Lock Shop $18.48 - Broken Key Remover Screw Type - Key Remover Spiral - Other Locksmith Tools - Broken Key Remover Professional locksmith removal tool  This is a quality broken key removing tool, used by almost all locksmith. This tool simply...

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