Innovative, robust HMS biner with steel insert at the apex and an internal spring bar to prevent it from twisting.Ideal for use with EDELRID belay devices.Keylock closure system on upper carabiner for optimal handling when clipping and unclipping.Available with either screw or triple lock.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.Steel insert prevents premature wear from rope friction or bolt hangers.Eco colour version:particularly sustainable as non-anodized.Weight without packaging (g):91.