This combo kit delivers gas-like power with the convenience of cordless. This 40V string trimmer and blower kit provides you with the tools you need to get the job done this season. This string trimmer is equipped with a 40V high-capacity battery, resulting in more run time than most gas trimmers with fade-free power. It features an auto-feed string head that advances line with the pull of the trigger and accepts any of the Ryobi auto-feed spools for quick and easy reloads. The 40V Jet Fan Blower has a sophisticated jet fan design powered by a 40V lithium-ion battery, this cordless blower provides fade-free operation at 155 MPH and 300 CFM.