Hey DIYers and fix-it folks, these Kemcatui coupling nuts are exactly what you need for those projects requiring secure connections between threaded parts. You get 6 pieces of M6 coupling nuts made from durable stainless steel that resists rust and corrosion. Each nut measures 20mm in length (about 0.78 inches) with a 10mm outside diameter (roughly 0.39 inches), giving you that perfect balance of size and strength. The coarse threads provide excellent grip and stability, preventing loosening over time. These are seriously versatile - use them for camera equipment adjustments, lamp brackets, furniture assembly, glass table connections, or any project where you need to join two threaded rods or bolts together. The stainless steel construction means they can handle outdoor use without rusting, and the silver finish looks clean and professional. The quality is noticeable - clean threading, consistent sizing, and no rough edges. They package them nicely so they arrive in perfect condition, ready to use. Whether you're a professional tradesperson or a weekend warrior working on home projects, having these coupling nuts in your toolkit is super handy. The M6 size is really common for various applications, making these useful for multiple projects around your home or workshop. The company includes 6 pieces in the package, which is great because you'll probably find uses for all of them! Just a quick note - since these are manually measured, there might be a 1-2mm variance, but that's normal for hardware like this. If you're tired of weak connections that come loose or need reliable coupling nuts for your next project, these stainless steel options deliver the durability and performance you need at a very reasonable price.