The 3M DBI Sala 1244306 ShockWave2 lanyard expands and contracts a minimal distance during normal use - sort of like a rubber band. The shock absorber is built into the lanyard. It comes with self locking snap hooks at both ends and is 6 ft. in length.

• Expands to 6 ft. and contracts to 4-1/2 ft. in reaction to your movements
• Reduces trip fall hazards, dragging and snagging for complete freedom of movement
• Easy to use self locking snap hooks at both ends
• Abrasion resistant tubular webbing for durability and longevity
• Impact indicator allows user to visually inspect unit for a fall
• 6 ft. in length
• Limits arresting forces to 900 lbs. or less
• Meets or exceeds all applicable industry standards including OSHA, ANSI and the stringent ANSI Z359