• Keychain Set: You will get 50 ferrous metal keychains, including 14 of 15 mm, 10 of 20 mm, 10 of 25 mm, 8 of 30 mm, and 8 of 35 mm. Additionally, the set includes a 10-piece swivel lobster clasp. • 360 Degree Rotation: The lobster clasp keychain is very easy to use and can rotate 360 degrees. Its sturdy cap ensures that hanging keys or pendants do not get tangled. • Easy to Use: The keychain has a robust spring lock that can be opened with just a squeeze and closes automatically when released. • Hard and Strong: The black keychain is equipped with two flat closed metal gap rings. In use, it is easy to open and tighten, ensuring that the keychain you have made is particularly stable so that the key does not fall off easily. • Multifunctional: The craft keychain can be used to organize car, home, and office keys, as well as to hang pendants, wrist jewelry, small keychain decorations, as well as for animal belts, necklace pendants, and crafts.