Oval carabiner for use with pulleys and ascenders Symmetrical oval shape allows optimal loading of devices with a wide cross-section, such as pulleys, rope clamps and mobile fall arresters Aluminum carabiner whose light weight reduces the weight of equipment the worker at height needs to carry May be used with a CAPTIV positioning bar to favor loading of the carabiner along the major axis, to keep it integrated with the device, and to limit the risk of it flipping Keylock system to avoid any involuntary snagging of the carabiner