DBI-SALA ShockWave 2 Dual Leg Lanyard w/ Aluminum Rebar Hooks - 6 ft* The ShockWave2 is a stretch lanyard that expands and contracts from 4 1 2 ft. to 6 ft. with your movement, allowing you to finally move freely on the job site. * This lanyards unique "stretch" design reduces trip hazards that commonly occur with dragging and snagging connectors. * The inner core of the ShockWave 2 immediately begins to absorb energy when a fall occurs, which limits arresting forces on the body to 900 lbs. or less * The Twin leg 100%