The Photon Lock is the anchor biner of choice for alpinists and multi-pitch climbers. Its full-size design gives it great versatility for any kind of climbing - this is especially noticeable while wearing gloves. The patented SphereLock closure minimizes play between the gate and nose for enhanced safety and performance, and the body design increases rigidity and strength without increasing Camp&';s lightest locking carabiner Slim nose profile features Camp&';s proprietary SphereLock closure Optimized body design increases rigidity and strength without increasing weight Full-size design is great for use while wearing gloves Specs WEIGHT 43 g, 1.5 oz Height (mm) : 100 Width (mm): 60 Gate Opening (mm): 17 Strength: Major Axis (kN): 22 Minor Axis (kN): 7 Open Gate (kN): 9