Our original aid climbing biner and a reliable workhorse, the Oval is an essential part of any big wall rack. DESCRIPTION The iconic, symmetrical Black Diamond Oval is the proven biner for big walling due to its smooth, uniform shape that reduces carabiner shift. Uniform shape prevents shifting Large carrying capacity Proven symmetrical design TECH SPECS Weight : 62 g (2.2 oz) Closed Gate Strength : 18 kN (4046 lbf) Open Gate Strength : 6 kN (1349 lbf) Minor Axis Strength : 7 kN (1574 lbf) Gate Opening : 18 mm (0.71 in)