Set of 5 working material carabiners with screw lock, specially designed for professionals who are concerned about maximum strength and reliability with minimum hardware weight. Although the longitudinal strength of the Ekto Lock is 4 kN, it is NOT intended for rescue or securing of persons. Properties: Set of 5 pcs Material carabiner with screw lock Weight only 10 g with a longitudinal strength of 4 kN NOT intended for rescue or securing of persons Usage: General usage Parameters: Warranty period: 2 years Weight: 10 g (pc) Longitudinal strength: 4 kN Clearance: 12 mm Dimensions: 32.2 x 57.5 mm Material: Aluminum alloy 7075