Thank you for your alert. We are sorry for any frustration experienced.
Tool adapters are only intended for converting older blade styles for use with newer machine models.
We have now released updated blades that fit directly into your machine model, so adapters aside from the light blue sketch pen adapter have been phased out.
You can now purchase any blade products that indicate they are compatible with the Cameo 4 model that you have. These blades will fit directly into the machine without an adapter. Click here for a compatibility chart.