<p>That would be <a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=4229" rel="noreferrer">Engine, Strakes, 2 x 2 Thin Top Plate</a>.</p>
<p><a href="https://i.sstatic.net/iabti.png" rel="noreferrer"><img src="https://i.sstatic.net/iabti.png" alt="part render" /></a></p>
<p>It appears in a small number of <a href="https://www.bricklink.com/catalogItemIn.asp?P=4229&amp;colorID=9&amp;in=A" rel="noreferrer">Classic Space sets</a>.</p>

CC BY-SA 4.0
2022-06-15T02:06:14.437Z
It's hard to tell from the image, but it could be either Light Gray, or Light Bluish Gray as in [these two sets](https://www.bricklink.com/catalogItemIn.asp?P=4229&colorID=86)
Matthew Jensen
CC BY-SA 4.0
2022-06-15T06:56:54.487Z
The part seems to be slightly dented, which IMHO is a sign of its age. That's why I'm assuming old Light Gray.
IvanSanchez
CC BY-SA 4.0
2022-06-15T01:23:22.123Z
2022-06-15T01:23:22.123Z
IvanSanchez
<p>I’m trying (and  failing) to identify this piece for my son</p>
<p>What would you call this?</p>
<p><a href="https://i.sstatic.net/CakLu.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/CakLu.jpg" alt="2x2 flat bit with a longer rounded part with ridges" /></a></p>

<part-identification>
Trying to identify this piece - 2x2 flat bit with a longer rounded part with ridges
Notalegoexpert
# Trying to identify this piece - 2x2 flat bit with a longer rounded part with ridges

(Asked by: username_0 on 2022-06-15)

I’m trying (and failing) to identify this piece for my son

What would you call this?

[![2x2 flat bit with a longer rounded part with ridges](https://i.sstatic.net/CakLu.jpg)](https://i.sstatic.net/CakLu.jpg)

**Tags:** part-identification


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## 1 answers

### Answer by username_1 on 2022-06-15. Score: 5

That would be [Engine, Strakes, 2 x 2 Thin Top Plate](https://www.bricklink.com/v2/catalog/catalogitem.page?P=4229).

[![part render](https://i.sstatic.net/iabti.png)](https://i.sstatic.net/iabti.png)

It appears in a small number of [Classic Space sets](https://www.bricklink.com/catalogItemIn.asp?P=4229&colorID=9&in=A).

> **Comments:**
> **username_2**: It's hard to tell from the image, but it could be either Light Gray, or Light Bluish Gray as in [these two sets](https://www.bricklink.com/catalogItemIn.asp?P=4229&colorID=86)  
> **username_1**: The part seems to be slightly dented, which IMHO is a sign of its age. That's why I'm assuming old Light Gray.  

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