Hey DIYers and repair folks! If you're working on projects that need reliable shaft locking, these Ruilogod E-clip washers are exactly what you need. This pack comes with 20 black metal E-clips designed for 12mm shafts (that's about 0.47 inches for those who prefer imperial). Each clip is 1mm thick and made from durable metal that can handle mechanical stress without failing. These little guys are perfect for securing components on rods and shafts in various applications - think machinery repairs, automotive projects, robotics, or any DIY build where you need to keep parts in place. The E-shape design makes them easy to install and remove with basic tools, but once they're on, they provide solid locking power. The black finish gives them a professional look and offers some corrosion resistance. At 29 grams for the whole set, they're lightweight but definitely not flimsy. Whether you're a professional mechanic or a weekend hobbyist, having a supply of these on hand can save you time and frustration when you need to secure shafts quickly. The 20-piece quantity means you'll have plenty for current projects and future needs. They're compatible with standard 12mm diameter shafts and work great in various industrial and hobby applications. Keep your projects secure and organized with these reliable E-clip washers that get the job done without breaking the bank!