Robust cantilever arms especially developed for use with Ikar height safety and rescue devices. Compatible with the retractable type fall arrester with hoisting function type HRA. These cantilever arms are mobile and can be released from the holding sleeve and used at a different location very easy and quick. The holding sleeves are available in diferent shapes which offers numerous possibilities of instalation and a wide range of uses. ? suitable for fast relocation; ? stable and robust construction; ? comaptible with HRA type self retractable fall arresters with rescue (lifting) function; ? comaptible with PLW winch for persons and materials (Max. 300 kg) and ALKO 901 winch for materials (Max. 300 kg).