New body design increases strength without increasing weight New slim nose profile features our proprietary SphereLock closure that minimizes play between the gate and nose for enhanced safety and performance. The update to the best-selling Orbit keylock carabiner increases the major axis and open gate strengths without increasing weight. The Orbit remains a solid workhorse for everyday climbing with great durability, smooth clipping action and new SphereLock closure that minimizes play between the gate and nose for enhanced safety and performance.