The Skylotec Double O is an oval shaped carabiner that comes in both a twist-lock and triact-lock. Ideal for use in rigging systems, with belay/abseil devices, ropes and pulleys. The symmetrical shape allows the carabiner to centre itself and work in both directions Patented double gate can be used by both left and right-handed users I-profile body optimizes the strength-to-weight ratio Enlarged cross-section in areas exposed to abrasion (apex and base)