Two-part lanyard eliminates traditional shock-absorber pack. Internal shock absorbing material is covered with a full strength outer sheath that withstands 5000 lbs. Impact indicator alerts you if the unit has been impacted by a fall arrest. Lanyard elongates 42 as it absorbs a fall. Double locking snap hooks have 3600 lb gates and meet ANSI 359.1.2007 an OSHA regulations. Polyester construction.