DMM PerfectO Carabiner

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The PerfectO is a compact true oval carabiner that minimizes the eye-to-eye length whilst maintaining usability and easy one-handed use. Their shape provides effective centering of loads and the fully rounded rope bearing areas increase carabiner and rope longevity.

Its keylock nose allows snag-free operation.

This is the smallest Lock safe carabiner that DMM makes and is 14mm shorter than an Ultra O yet still retains a strong construction. 

Oval shape allows central positioning of devices

Oval carabiners are popular in rope access and tree care situations where multiple connectors, slings, ropes or even pulleys can be connected. They are equally at home in fall arrest situations or as part of a pre-rigged rescue system. The round basket shape allows any of the connection points to self-centre when weighted - this helps avoid the unnerving click that often happens with a more D-shaped carabiners. The symmetrical basket mean rotation within systems is not required as they sit comfortably either way round.


Non auto-locking gate which requires two actions to open, and is easy to use with one hand. Screw-gates are suitable in systems where anchor points can be easily monitored and are unlikely to be affected by running ropes.

An auto-locking gate requiring three separate actions to open. Locksafe gates give extra security in complex rigging systems such as those featuring running ropes or remote anchor points.


Major Axis Strength: 24 kN

Minor Axis Strength: 7 kN

Standards: EN12275:2013, EN362:2004