Retractable fall arrester with made of casing and high impact strength polymer to prevent breakage. Permits complete freedom of operation as the block can be anchored to suitable ?xtures and the wire rope can be connected to the full body harness. In case of Voluntary extension the cable freely extends from the casing. On sensing a fall the breaking system arrest the fall atomatically. Comes with galvanized steel and Stainless steel wire rope dia 4.5mm The