Smark S mark Snap Hook Stainless Steel Heavy Duty Safety Lock Cable Attachment 12pcz Locking Carabiner  (Silver)

The unique locking mechanism prevent accidental slipping. This type of. The clevis hook fits directly onto the chain for ease of use. The lock closes either with one hand or automatically when a load is engaged. The clevis self locking hook will not open under load, even if the load is set down momentarily. A hook is a tool consisting of a length of material, typically metal, that contains a portion that is curved or indented, such that it can be used to grab onto, connect, or otherwise attach itself onto another object.