The Greenlee 651 12" Hook Cable Puller Sheave Assembly is a durable and reliable tool designed for electrical work. With a 4000 lbs capacity and a sturdy 6" wheel, this cable puller is perfect for moving heavy cables and wires with ease. The green sheath color adds visibility and makes it easy to locate in various work environments. Built by the trusted brand Greenlee, this tool ensures quality and performance for a range of industrial applications.