Freedom Aerial Dog Runs Heavy Duty steel with clear vinyl coating adjustable replacement lead line for toy sized dogs ranging in weight between 45 and 75 pounds. Cable is adjustable using three wire clamps to any length between the minimum and maximum listed in product title. This is one component of four total necessary to build a complete aerial dog run. The other three components are the overhead cable, the mounting hardware for the first installation point and mounting hardware for the second installation point. Can be purchased as a stand-alone item to replace an existing lead line or grouped with other components to build a completely customized Freedom Aerial Dog Run that fulfills the requirements for any application. Recommended for dogs between 45 and 75 pounds.