I'm not a climber but I love the Omega Pacific D non-locking carabiner, it's size and shape makes it fit through molle webbing on Goruck backpacks nicely so it

I'm not a climber but I love the Omega Pacific D non-locking carabiner, it's size and shape makes it fit through molle webbing on Goruck backpacks nicely so it sits flush and is a convenient place to attach random things as needed.