All-in-one, self-retracting lifeline/anchorage connector design reduces equipment required on the job site. Includes Miller 5K® locking snap hook designed specifically for tie-back use. Cost-effective alternative to tie-back, shock-absorbing lanyards. Designed for anchoring below a user's harness back D-ring for greater safety. Integrated shock absorber especially designed for tie-back applications with load indicator device. Meets requirements for ANSI Z359.14 that states only 24" or less of lifeline extends out of the housing when the unit is fully retracted.