Extremely strong steel HMS carabiner with an internal spring bar to prevent it from twisting.Ideal for situations with greater wear (belaying with a tubular belay device or top-roping.).Keylock closure mechanism for optimum handling when clipping and unclipping.Spring bar holds the carabiner in place when belaying to prevent cross loading.H-profile construction ensures best possible use of material and minimal weight.The HMS Bruce Steel FG is designed to perfectly complement the Mega Jul´s geometry.Weight without packaging (g):140.