Features of the Matador BetaLock Aluminum locking carabiner designed to safeguard your gear Forged from light and durable aircraft-grade aluminum Deadbolt-style locking gate discourages grab-and-go theft Compatible with TSA 007 keys for emergency opens Locking and non-locking capability Carabiner format with spring gate is easy to use Backed by Matador's 1-year Warranty Dimensions: 3.7in. H x 2.5in. W x 0.47in. D Weight: 1.94 oz. NOT FOR Climbing.