Portwest 2.5m Self Retract Lifeline 140kg2. 5 metre double retractable webbing lifeline including a carabiner, shock absorber and swivel hook with double safety lock. The webbing is manufactured using ultra high molecular weight polyethene. This arrest block is capable of supporting a user up to 140kg. FEATURES: Max rated load 140kg Shock Absorbing Heavy duty webbing is used throughout 52mm scaffolding hook opening 19mm carabiner opening 10 Year shelf life from the manufacturing date