Locking carabiner Petzl M042AA00 D-shaped Aluminium Grey 75 g

The Petzl M042AA00 D-shaped locking carabiner is a lightweight aluminium connector designed for climbing and outdoor use. Weighing approximately 75 g, this grey carabiner features a TWIST-LOCK automatic locking gate that secures connections while allowing fast one-handed operation. Its D-shaped body concentrates load on the spine for improved strength-to-weight performance and reliable alignment when attaching hardware and webbing.

Advantages

The aluminium construction keeps the carabiner light without sacrificing durability for general climbing and gear attachment. The TWIST-LOCK twist-lock gate provides automatic locking action to reduce the risk of accidental opening while still enabling quick manual access. The D-shaped geometry ensures that load is directed onto the major axis, improving stability of the connection and compatibility with a range of climbing components.

Suitable for

Key specifications

How to use

Open the TWIST-LOCK gate by twisting and pulling the gate mechanism, insert the rope, sling or device and release the gate to allow it to close and lock automatically. Ensure the carabiner is loaded on the major axis and that the gate is fully closed and locked before applying load. Inspect the gate action and body for any signs of damage or deformation before each use.

Recommendations

Use this locking carabiner for connections where a reliable automatic lock is required. Avoid side-loading and do not exceed the carabiner's intended use. Regularly clean and inspect the gate mechanism to maintain smooth automatic locking action; follow manufacturer guidance for maintenance and retirement criteria.