3M protecta self retracting lifeline – cable 20 ft. Steel rope,snap hook3590517 the protecta self retracting lifeline srl line is built to last providing an economical fall protection solution without compromising performance or safety. Protecta srl’s feature a 420 pound 190 kg user capacity, a robust design to ensure longevity and are available in lengths from 6 ft. 1.8m to 100 ft. 30.5m. Available in either aluminum or composite housing models, these srl’s are also equipped with an ergonomic carrying handle that makes transportation to and from the job site easy. Protecta is designed with the worker in mind, featuring a stackable space maximizing design and an impact indicator to provide easy verification of whether the equipment has been involved in a fall. An srl’s lifeline will extend as the user moves away, and retract automatically enabling the user to move about within a recommended working area at normal speeds. Should a fall occur, a speed sensing brake system will activate stopping the fall and reducing the forces imposed on the user to safe levels. Rugged, lightweight thermoplastic housing stackable housing design built-in carrying handle 20 ft. 6.1m 3/16in 5mm galvanized steel cable lifeline swiveling self-locking snap hook with impact indicator speed sensing all metal brake system internal energy absorption system reserve lifeline system side lifeline exit with ergonomic handle high strength, corrosion resistant components