The Petzl Freino Carabiner is ideal for adding or adjusting friction during the descent.

Petzl Freino Carabiner Features:

• It provides increased friction for single ropes when rappelling or lowering, without extra gear or the need to open the carabiner
• Easy to use: rope can be quickly redirected over the friction spur and removed with one hand
• Auto-locking
• Keylock system
• For use on single ropes with the STOP, GRIGRI, HUIT, HUIT ANTIBRULURE and SIMPLE

Specs: 

• Weight: 85g
• Locking system: Twist-lock
• Major axis strength: 25 kN
• Minor axis strength: 10kN
• Open gate strength: 9 kN
• Gate opening: 15 mm