The Ceros screwgate is DMM's latest carabiner, designed to minimise the risk of cross-loading. Using an internal wiregate, it helps correctly align the carabiner on the belay loop. Its rounded top bar gives greater wear resistance and smooth belaying, while the patented DMM 'Rhino Horn' helps prevent cross-loading when used with some assisted locking belay devices. easy to operate with one hand and simple to rack, it introduces another level of safety to your belay system.