With a metal shell and a wear-resistant nylon retractable rope, thisTelescopic Hanging Rope Buckle reel boasts a good load-bearing capacity, resisting falling, wear, and rust. With high-strength springs and precision gears, the rope stretches freely up to 13.7 in, rebounds automatically, and works smoothly without jamming. This free-stretching design allows you to easily access your keys, access cards, work IDs, or bus cards without the hassle of taking the buckle off. It's perfect for preventing the loss of these items. You can pair it with lanyards or fix it directly to bags or belts, fitting multiple scenarios such as office work, daily commuting, and travel. Whether you're rushing to a meeting or going on a trip, this buckle provides convenience and security for your essentials.