BLACK DIAMOND Neutrino Carabiner 1" high 3" wide Cold-forged construction. Large rope-bearing surface. Lightweight and versatile size for all-around use. Does not freeze up in alpine conditions. Weight - 36g (1.3 oz). Closed Gate Strength - 22 kN (4,945 lbf). Open Gate Strength - 7kN (1,574 lbf). Minor Axis Strength -??7kN (1,574 lbf). Gate Opening - 22 mm (0.86 in).