They were perfect for my electrical work. I'm improving offline setup and they're great for adding a charger and some other cables. They crimp very well (especially with a powerful hammer type crimp tool), compress well and make good contact. I had to drill a few holes as the holes weren't big enough for some of my studs, and after drilling, although they've gotten a bit thin around the edges, they're still solid pieces and should be able to take the load deal with . Spring.