Very thin I didn't even use it when I got it. One look and I knew the quality sucked. I decided to go to my local hardware store and buy an electrical box with the same setup but cheaper. All I did was cut off the back of the box, which gave me enough room for the wires inside. Another issue was that it says "low voltage only" right on top of the head, which was a no-brainer as nothing covers the wires, but the quality should have been given out on the part itself, not the pickup. If you're…