From the manufacturer

The Photon Lock is the anchor carabiner of choice for alpinists and multi-pitch climbers. Its full-size design gives it great versatility for any kind of climbing. I-Beam construction delivers a high strength-to-weight ratio while still maintaining a rope friendly radius. The SphereLock nose makes clipping ropes, webbing, chains and pro easy.

Features

• Our lightest locking carabiner
• New screw gate is lightweight and easy to handle
• Slim nose profile features our SphereLock closure
• Laser etched marking to indicate if the lock is open or closed
• Available in three colors

Specifications

• Major Axis Strength: 23 kN
• Minor Axis Strength: 8 kN
• Open Gate Major Axis Strength: 9 kN
• Gate Opening Size: 17mm
• Weight: 43g