Miller® StretchStop® Shock-Absorbing LanyardFeatures a heavy duty back up safety strap SofStop Energy Absorber pack is designed with a specially woven inner core that smoothly expands to reduce fall arrest forces Contracts from 6' (1. 8 m) to 4' (1. 2 m), greatly reducing the chances of tripping, snagging, or dragging CSA Minimum Mass: 120 lbs. CSA Maximum Mass: 335 lbs. Harness Connection: Locking Snap Hook Anchorage Connection: Scaffold Hook Material: Polyester Shock Absorber Type: Pack No.