Threaded inserts?

[Blobber]

These look a bit like timeserts but cant see anything similar or am I not looking hard enough? anyone got any suggestions

 

[hotponyshoes]

Keylocking insert or keenlock

 

[tigdlo]

I've always known them as keenserts.

 

[Blobber]

That was quick! thanks very much!

 

[hotponyshoes]

I think keenserts is the brand name,
So all the copies are called something generic usually along the same lines..