High impact-resistant nylon housing with smooth, round edges increases durability. Corrosion-resistant stainless steel and aluminum internal components. Unique side payout design reduces wear on entry guide bushing and cable. Spring tension operation designed not to pull or drag on worker to improve productivity and reduce fatigue. Available in 3/16″ galvanized wire rope, stainless steel cable or 0.69″ web. Cable models have dual swivels (unit top and snap hook) included to minimize lifeline twisting during use. Improved load indicator on snap hook identifies when unit needs to be removed from service. No annual factory recertification required. Web models rated to 400 lbs. capacity, cable models require SofStop shock absorber (928LS/18INYL) for 400-lb. rating. Meets all applicable OSHA, ANSI and CSA standards and requirements. “Z7” models have connectors rated at 3,600 lbs.