IT professionals and server room managers, these uxcell cage nuts are exactly what you need for proper rack mounting! The M6 thread size is standard for most server equipment, and the stainless steel construction means they won't rust or corrode over time - crucial for maintaining your infrastructure. Each nut measures about 13x12x9mm, designed specifically for square holes in server racks and cabinets. What's really convenient is getting 20 pieces in one pack - plenty for multiple installations without running out mid-project. The cage design makes installation so much easier than struggling with traditional nuts in tight spaces. They slide right into the square holes and lock securely in place, providing stable mounting for your servers, switches, and other rack-mounted equipment. The silver tone blends well with most rack hardware, and the anti-rust properties ensure long-term reliability. I've used these for everything from new server deployments to reorganizing existing racks, and they've held up perfectly through multiple installations. The quality matches what you'd expect from more expensive brands, but at a much better price point. Whether you're building out a new data center, upgrading existing equipment, or just need reliable mounting hardware for your server room, these cage nuts deliver professional-grade performance. They've become my go-to for all rack mounting projects because they're consistently reliable and the 20-piece quantity means I always have spares on hand for future needs.