Black Diamond Oval Keylock Carabiner - The iconic, symmetrical Oval has stood the test of time, and will now remain essential to your rack due to the new Keylock snag-free design. With its large rope-bearing surface, improved ease of use, and smooth uniform shape that reduces carabiner shift, the Oval will continue to get the job done on the world's hardest big walls. Snag-free keylock design for easy clipping and unclipping Uniform shape prevents shifting Large carrying capacity Proven symmetrical design