You're looking at one of the strongest aluminum carabiners in the world. At 31kN, it's wicked-strong and represents the most durable design in basic, functional climbing carabiners. Through ISO Cold Forging, we put material exactly where it will render the strongest design possible for a carabiner of its size and materials. Specs: Gate Opening: 20 mm / .787 inches Strengths: Major-Axis (25 kN), Open (7 kN), Minor-Axis (8kN) Weight: 65 grams / 2.3 ounces Length: 108.5 mm / 4.27 inches Width: 68.3 mm / 2.69 inches