D-shaped, compact and light locking carabiner with twist-lock system.
The Sm'D Twist Lock from Petzl is a D-shaped, versatile, compact and therefore light locking carabiner that you can open and close even when wearing gloves. The D-shape provides versatility for activity with a belay system, pulley or other use. The H-shaped cross-section saves weight and makes handling with gloves easier.