Mammut Element Steel Key Lock Key Lock Basalt. The galvanized steel carabiner is abrasion-proof and thus very durable. The curved gate with key lock system guarantees safety and easy handling. Specifications for Mammut Element Steel Key Lock: Manufacturer: Mammut Color: Basalt Quantity: 1 Lock Type: Key-Lock Application: Climbing Features of Mammut Element Steel Key Lock Horizontal breaking load: 10 kN Open breaking load: 10 kN Vertical breaking load: 30 kN Package Contents: Mammut Element Steel Key Lock Mammut 2040-00791-2470-1: Element Steel Key Lock Key Lock Basalt