The Ech22 hanger has been designed and tested for caving expeditions and canyoning expeditions. Unlike AS hangers, 5mm dyneema, 5.5mm technora and 7mm accessory cords can be used. The 10.2mm hole allows for the use of 8mm and 10mm bolts and screws. The Ech22 has been tested to over 15kN. It weighs only 10g!  English instruction manual and Spanish instruction manual.