Rock Exotica rockD Carabiner

The Rock Exotica rockD carabiner is an auto-locking D-shaped connector that many arborists use as their everyday carabiner. Its shape keeps the load on the strong spine, and the gate locks itself every time it closes.

Why it is so common

The rockD hits a useful balance: light enough to carry several, strong along the spine, and smooth where rope and slings bear on it. Climbers use it on lanyard ends, on the saddle bridge, at friction savers, and to hang a rope grab or pulley that loads in one direction.

Because it is so widely carried, it is easy to standardize on. A saddle full of the same carabiner means every gate opens the same way, which helps when you are working with gloves on or clipping by feel around the stem.

Inspection and retirement

Before each climb, open the gate and let it snap shut. It should close fully and lock on its own without sticking. Look for cracks, sharp edges, grooves worn by rope, and deformation at the nose or hinge. Sap and grit are the usual cause of a lazy gate, so rinse and dry the carabiner and keep the gate mechanism clean.

Retire any carabiner that has been dropped from height onto a hard surface, shock loaded, or shows wear you cannot explain. Read the markings on the spine and confirm they meet what your system needs. Life-support gear must meet the applicable standard (ANSI Z133 and the manufacturer's instructions), be inspected before every climb, and be used only by trained climbers. See more auto-locking carabiners.