Keylock closure mechanism for optimum handling when clipping and unclipping , H-profile construction ensures best possible use of material and minimal weight , Steel insert prevents premature wear from rope friction or bolt hangers , Fmax. Vertical [Kn]: 27, Fmax. Open [Kn]: 8, Fmax. minor axis [Kn]: 10 , Closure: Screwgate, Weight: 60 g