I bought this to run the rear speaker wires and a subwoofer cable to the back of my living room. I was able to fit two 14-guage speaker wires and a subwoofer RCA cable through it without much problem. I now have one single, snug bundle which is ran better to work with. This worked absolutely perfectly after I found a few tricks to this.

1. At first attempt, I barely could get a single wire through this, let alone three. The trick is in how the sock is made. Since it is braided, if you compress it the long way, the diameter will increase significantly. So, you can grab about 5 inches in length and push it together, making it much shorter, but also much wider. I was able to use this to effectively shimmy the sock a few inches at a time over my entire 20 foot run. Yes, it was a bit tedious (took about 25 minutes), but well worth it for my final result!

2. Make sure you do this with all your wires at the same time! You will not be able to easily add more later. I first did just the two speaker wires, but ended up taking it off and redoing it with all three once I had the hang of how to do it.

3. When you cut the sock to your length, yes it will fray a bit. I used regular scissors and then carefully used a lighter to melt the ends. Very happy with the results. Keeps it together and takes the edge off of it.

Thought I'd take a chance as it was so inexpensive. Only useful if you are running things that are very thin such as network cable or iPhone lightening. Will barely fit a standard HDMI termination, so don't expect many things to fit. Says you need a hot knife to cut-assumin so it won't unravel, but by doing so I would expect even more restriction to cable ends. Better to use the more rigid split tubing Monoprice offers.