Corrosion-resistant stainless steel and aluminum internal components extend service life and reduce replacement costs. Lightest composite unit on the market – easy to handle and transport to/from jobsites. Unique side payout design reduces wear on the entry guide Bushing and cable for smooth operation with less drag. Smooth, quiet operation; engineered spring retraction tension designed not to pull or drag on a worker to improve productivity and reduce fatigue. Built-in, ergonomically-designed molded handle on the 50-ft (15M) and 65-ft. (20M) cable units provide support and leverage when attaching C3811 anchorage connector. Easier to install. Dual swivels D3814 (unit top and snap hook) included on all cable models to minimize Lifeline from twisting during use.