Primegrip 23-287, 50ft Cable Self Retracting Lifeline is part of a personal fall arrest, restraint, work positioning, suspension, or rescue system. A Personal Fall Arrest System (PFAS) is typically composed of an anchorage and a Full Body Harness (FBH), with a connecting device, i.e., a Shock Absorbing Lanyard (SAL), or a Self-Retracting Device (SRL), attach to the dorsal D-ring of the FBH. SRLs are designed for use in applications where falls may occur. Primegrip SRLs covered by this manual may be used in many situations where a combination of work mobility and fall protection is required. (i.e. inspection work, general construction, maintenance work, oil production, confined space work, etc.).