<p>According to <a href="http://www.ldraw.org/library/official/parts/4216.dat" rel="nofollow noreferrer">LDraw</a>, the slot is 8 LDU wide (1 plate, 3.2mm) and 5 LDU deep (quarter module or stud, 2.0mm). Here's the relevant quads from the LDraw file for reference:</p>

<p><img src="https://i.sstatic.net/Smuv8.png" alt="width"></p>

<p><img src="https://i.sstatic.net/8gdYa.png" alt="depth"></p>

CC BY-SA 3.0
2015-07-06T01:59:10.430Z
Thanks for answer. I guess you mean 3.2 mm wide and 2.0 mm deep? I don't know LDraw. But I guess these are the correct dimensions.
midnite
CC BY-SA 3.0
2015-07-06T14:00:49.567Z
That's correct. I misplaced my decimal converting to millimeters originally, but the correct dimensions are ~3.2mm wide and ~2.0mm deep.
jncraton
CC BY-SA 3.0
2015-07-04T22:58:04.093Z
2015-07-06T13:59:20.937Z
2015-07-06T13:59:20.937Z
jncraton
<p>What is the dimension of the groove of LEGO part #4216 or #88393?</p>

<piece-information><size>
Groove dimension of 4216 or 88393?
midnite
# Groove dimension of 4216 or 88393?

(Asked by: username_0 on 2015-07-04)

What is the dimension of the groove of LEGO part #4216 or #88393?

**Tags:** piece-information, size


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## 1 answers

### Answer by username_1 on 2015-07-04. Score: 4 | Accepted answer

According to [LDraw](http://www.ldraw.org/library/official/parts/4216.dat), the slot is 8 LDU wide (1 plate, 3.2mm) and 5 LDU deep (quarter module or stud, 2.0mm). Here's the relevant quads from the LDraw file for reference:

![width](https://i.sstatic.net/Smuv8.png)

![depth](https://i.sstatic.net/8gdYa.png)

> **Comments:**
> **username_0**: Thanks for answer. I guess you mean 3.2 mm wide and 2.0 mm deep? I don't know LDraw. But I guess these are the correct dimensions.  
> **username_1**: That's correct. I misplaced my decimal converting to millimeters originally, but the correct dimensions are ~3.2mm wide and ~2.0mm deep.  

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