Ergonomically designed for ease-of-use and is ideal for direct connection to most harnesses. Lightweight, stays out of the way and can easily be used as a lanyard replacement. Locks quickly, stopping a fall within inches, and providing more protection at low heights. Tension is always kept on the lifeline, which reduces dragging, snagging and trip falls. Features impact-resistant thermoplastic housing; automatic, quick-activating arrestor; high-capacity external energy absorber; impact indicator; built-in quick connector for SRL direct attachment to harness; swiveling anchorage loop and 3/4" Dyneema® fiber and polyester web retractable lifeline. i-Safe™ enabled with RFID technology. Capacity: 420 lbs. 3,600-lb. Rated gate openings on carabiners and hooks. Meets or exceeds all applicable OSHA regulations and ANSI standards.