The high strength and versatile delta steel screwlink connector is much more secure than a karabiner.
Negates the possibility of cross loading.
Suitable for a wide range of uses in work at height and rescue situations.
Screw barrel must be fully closed during use.
Various sizes available:
8mm: Major: 27kN, Minor: 10kN
10mm: Major: 45kN, Minor: 10kN