These Soleplate Screws/Fastener hold your Soleplate on your Dyson to the Brush housing on the bottom of your vacuum, 

These fit across multiple Models, 

These push into place once you have removed previous worn out screw. 

Reason for replacing is if undone the wrong way or years of use can wear the undo point and become harder to take off when you are needing to remove the soleplate.

Only Silver/Dark Steel available