Valent cable, plug something too tight

Connectors and cables make a very stable and well-made impression.
Something negative was the fact that a male could only be pushed gently but firmly on the socket. That was the case with different devices. After a while, but once had on the socket, it worked then also more easily with other devices. Apparently, the plug has widened by.
Overall, the cable makes a good impression but, once it's connected.