Item Type: EDC Quick Release KeychainMaterial: Carbon SteelGross Weight: 139g / 4.9oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Slippy Surface: This double ring key chain is made of selected premium carbon steel, with slippy surface, comfortable feel and durable. 2Strong: This key ring is light but durable, non corrosive, more reliable than the magnetic key ring connection, and can be reused. 3Easy to Use: Press the two sections of the switch to quickly separate, and press the two sections of the switch to quickly combine, which is convenient and simple to use. 4Application: It is suitable for two sets of keys that need to be removed frequently: household keys, office keys, etc. It is also suitable for making labels, chains and DIY hanging handicrafts. 510 PCS: A set of ten key chains can meet the use needs of most cases, but also meet the needs of the whole family, convenient and practical.