This compact and light-weight self-retracting lifeline is manufactured for Winsafe Corp. by Checkmate in the United Kingdom and replaces much heavier SRLs that we were previously included in our shipping container product line. It has a quick-activating stopping mechanism with a maximum arrest force of 900 lbs. It is equipped with a shock absorber and an 11 mm. twist-lock device connector. No carabiner is required.

Material Specifications

  • Composite mouldings, UV stabilized
  • Carbon steel, black zinc-plated
  • Anodized aluminum
  • Stainless steel
  • Polyester webbing
  • Alloy connectors

Technical Specifications

  • Working load: 300 lbs. (136 kg.)
  • Webbing capacity: 10 ft. (3 m.).
  • Nominal brake lock-on distance: 4" (100 mm.).
  • Total arrest distance: <12" (300 mm.) from point of lock-on.
  • Maximum arrest force: 900 lbs. (4 kN).
  • Unit weight: 2.4 lbs. (1.1 kg.).

For more innovative products manufactured by Checkmate and available to you through G.D. MacKay Co. Ltd., please go to


Checkmate Brochure


FAB3W-ANSI Self Retracting Lifeline