Provides protection and complete mobility for (3) workers on top of transformers or other types of vertical platforms with potential fall hazards. Durable aluminum construction is compact and lightweight (38 lbs.) for easy transport and placement. System features a telescopic design (32 3/4" to 46" to 57 1/4") and (3) swiveling anchor points providing up to (3) workers with 360° of protection and mobility. Leveling screws plumb system on inclines up to 15°. Built-in anchor rings allow for horizontal lifeline attachment. Extension available to increase height to 68 1/2" and provide connection for additional worker.