# 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](https://docs.wcproducts.com/welcome/shop-accessories/super-pit/assembly-instructions/single-upper-kit/broken-reference) on the next page. {% endhint %}