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# Configurations
The WCP Stub Rollers can be used with both 1-1/8" ID Aluminum Round Tube Stock and SplineXL Tube Stock. Use the images below for material preparation and compatibility information.
## Compatibility Chart
## Cut Guides
For both the Round Tube and SplineXL Tubes, a #9 hole will need to be drilled 0.500" from each end that will have the Stub Roller. Use the pictures below for a detailed view.
{% tabs %}
{% tab title="Round Tube" %}
The 1-1/8" Round ID Stub Rollers have four holes in which the #10-32 x 1/4"L bolts can be used.
{% hint style="info" %}
The #9 holes should be drilled as highlighted in green.
{% endhint %}
{% endtab %}
{% tab title="SplineXL Tube" %}
The SplineXL ID Stub Rollers only have two holes in which the #10-32 x 1/4"L bolts can be used.
{% hint style="info" %}
The #9 holes should be drilled on the flats of the SplineXL Tube as highlighted in green.
{% endhint %}
{% endtab %}
{% endtabs %}
---
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