I use them in drywall to help organize my network closet. I'm using 2 coax or cat6 cables in this one (right side of the picture) and they work really well. They hold a little tension as you move the wires. None have surfaced yet while I've made a few adjustments to the organization. They work great. Here are these black clips https://www.amazon.com/gp/product/B017VXNFVO/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 I think I will use a stapler in the future, also made by Gardner. A bender I was loaned to do some electrical work that was just faster than hammering a nail. https://www.amazon.com/gp/product/B000MWTVJC/ref=oh_aui_search_detailpage?ie=UTF8&psc=1