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Dorsal Extension

Product Details



Safety Direct's Energy-Absorbing D-ring Extender, also known as shock-absorbing extension lanyard, attaches to the back D-ring of a harness lengthening the tie-off point allowing an easy and safe connection which also provides an energy-absorbing component for a restraint lanyard that is shorter than 52 inches. When calculating free fall and fall clearance distances, it is important to include the fully extended length of the dorsal extension.



  • 310 energy absorber

  • Single leg

  • Clear heat shrink tubing protects the label and enables inspection of the energy absorber

  • Available with Loop/D-ring or Snap/D-ring

  • Available in various lengths

  • Add ID/Name inside shrink tube



  • 1 3/4 inch (45 mm) woven polyester webbing with (Minimum tensile strength of 5000 lbs. 23 kN)

  • Snap hook and D-ring minimum break load 5000 lbs. (23 kN) and gate rating of 3600 lbs. (16 kN)

  • Maximum deployment length is 11.3 ft. (3.5 m)

  • Maximum free fall distance CANNOT exceed 6 ft. (1.8 m)

  • Maximum capacity including clothing and equipment must be at least 110 Lbs. (50 kg) and not exceed 310 Lbs. (140 kg)

  • Certified to CSA Z259.11-17


Part Numbers: Snap/D-ring



20in, fixed length, snap hook/D-ring



24in, fixed length, snap hook/D-ring

Part Numbers: Loop/D-ring



22in, fixed length, loop/D-ring


24in, fixed length, loop/D-ring

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