The Cablemaster Model CM-4 is your final solution when it comes to handling and storing bulky 30 amp power cable! It is designed to withstand the harsh marine environment which means its durability and reliability is second to none. Unlike all other cable handling systems, the Cablemaster Model CM-4 eliminates the need for slip rings or brush connections. Offering both automatic pay in and out, the power cable is easily maneuvered and stored in a variety of settings. It is also able to store an unlimited length of cable because it stores the cable seperately.