Guardian Halo Cable Retractable Lifeline - 20 ft.* This retractable has a compact and lightweight design so it's easy to carry from job to job without the risk of a hernia. * The durable aluminum housing of the Halo Retractable can handle the elements and inevitable job site abuse. * The stainless steel and non corrosive components extend the life of the unit, saving you money in the long run. * The Halo Cable Retractable features a quick action braking system that stops potential falls before they