Craftsmen and woodworkers, if you hate seeing hinges on your projects, these Soss invisible hinges are the answer. They're completely concealed when the door is closed, giving you a clean, seamless look. Made from zinc with a brass finish, they open a full 180 degrees and have a laminated link design that reduces friction for smooth operation. They're designed for wood panels between 1/2-inch and 5/8-inch thick, with a plate length of 1-11/16 inches. Perfect for small cabinets, jewelry boxes, keepsake chests, or any project where you want a hidden, professional finish. Installation requires precise mortising (follow the included instructions), but the result is worth it. Sold as a pair, with mounting screws included. A classic hardware solution for high-end woodworking.