FEATURES of the Camp USA Nano 23 Carabiner Rock Climbing, Alpinism, Racking World"s lightest full-strength carabiner! Significantly reduces weight and bulk on any rack SPECIFICATIONS of the Camp USA Nano 23 Carabiner Weight: 0.8 oz / 23 g Major Axis: 20 kN Minor Axis: 7 kN Open Gate: 7 kN Gate Opening: 21 mm ALL CLIMBING SALES ARE FINAL.