Closed-end solder sleeves

Hi, I already use solder sleeves like these:

I have these

but am looking for closed end sleeves, where you put both leads on the same side and the other end is closed.

like this

Hello Welcome to the forum.
Please take a look at Theses Options.
These parts we also refer to as a Wire Nut in our system.

If you have any questions Please let us know.