> For the complete documentation index, see [llms.txt](https://docs.wcproducts.com/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wcproducts.com/welcome/shop-accessories/super-pit/assembly-instructions/single-upper-kit/steps-5-8.md).
# Steps 5-8
## Step 5
Attach two of the Horizontal Rails to the three remaining Horizontal Support Rails, and secure them with #10-32 x 3/8"L bolts as shown below.
## Step 6
Attach the assemblies from Step 4 to the assembly from Step 5. Secure the outer assemblies with #10-32 x 3/8"L bolts and the inner assemblies with #10-32 x 1-1/4"L bolts, as shown below.
{% hint style="info" %}
The mounting locations of the Step 4 assemblies may vary depending on the bin sizes used.
{% endhint %}
## Step 7
Attach the third Horizontal Rail to the assembly from Step 6. Secure it to the outer assemblies with #10-32 x 3/8"L bolts and to the inner assemblies with #10-32 x 1-1/4"L bolts, as shown below.
## Step 8
Install the Bin Rails onto the Vertical Rails using the included 3/16" Blind Rivets.
{% hint style="success" %}
If the Single Upper Kit will be used around the Shop as a standalone, proceed to install the desired amount of Bin Rails.
If the Single Upper Kit will be installed into a Road Case, proceed to [Steps 9-12](broken://pages/tCuRGBm9KllTNgZhJ7Ci) on the next page.
{% endhint %}
---
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