The blocfor self-retracting lifeline provides freedom of movement to workers performing their job at various heights. The device automatically takes up the slack in the wire rope, keeping it out of the way while minimizing the free fall distance, should a fall occur. In the event of a fall, the sudden jerk in the wire rope will activate the centrifugal locking mechanism, arresting the fall within 2 ft. (0.6 m).The bi-directional feature of the unit allows the injured worker to be lowered or raised. This feature also makes it possible to slightly lower a worker to free him from obstructions before raising him.• Includes 50 ft. Stainless Steel wire rope• Synthetic case• Very lightweight and easy to handle• Includes two carrying handles• Device can be converted from a retracting unit to a recovery device in short time• Corrosion resistant• Twin stainless steel disc brakes with copper/alloy coil in the centre (all parts are anti-spark)• Carabiner-positioning washer• Visual fall indicator• Meets or exceeds ANSI Z359.1-1999, OSHA 1926, and CSA Z259.2.3-04Specific applications for the blocfor include usage in storage tanks, silos, vats, boilers, sewers, tunnels, ship compartments, vaults, pipelines, and ladders.