Retractable fall arrester, designed for works which require large dislocation from the anchorage point. Basic equipment: - upper snap hook for attaching device (steel snap hook AZ 011 with screw locking and opening 18 mm), - working webbing snap hook (steel swivel snap hook AZ 002 AS with opening 24 mm), - webbing retractor inside the cover, - working webbing, - energy dissipating element.