Mad Rock Hulk HMS Carabiner-Green-Triact Lock. A smooth and large radius ensures high performance and the Key-Lock nose allows for quicker and snag-free operation. Specifications for Mad Rock Hulk HMS Carabiner: Manufacturer: Mad Rock Carabiner Size: Oversize Fabric/Material: Aluminum Weight: 2.8 oz Carabiner Type: Locking Biner Open Strength: 8 kN Features of Mad Rock Hulk HMS Carabiner: Keylock Hot Forged Package Contents: Mad Rock Hulk HMS Carabiner Mad Rock Hulk HMS Carabiner-Green-Triact Lock