From the manufacturer

The Rig Auto Lock is our largest carabiner. Versatile, heavy-duty carabiner with a triple action auto-locking sleeve.

Specifications

• Weight: 2.9 oz. (82 g)
• Size: 4.4" x 2.8" (114 mm x 72 mm))
• Strength: 28 kN (6295 lbf)
• Individually proof tested