I've had these in the past and have searched for something similar to no avail, ended up having to go online to buy them again. They seal better than any other cable connector, with a coating on the inside to seal the connection and keep moisture out. Easy to use, twist and crimp. The only complaint I have is that they are small enough that some heavier gauge wires won't fit. However, it's a good size for small electronics and car audio.
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