The 20V MAX* Cordless String Trimmer features a gear drive transmission design to amplify torque when powering through overgrowth. Our Cordless String Trimmer provides a 13 in. swath with a 0.080 in. line. The variable-speed trigger offers control, performance, and runtime management with the High/Low speed-control switch. This cordless string trimmer is part of the 20V MAX* battery system, so it uses the same batteries and chargers as your 20V MAX* cordless power tools and equipment.