The 20V MAX* Cordless String Trimmer features a gear drive transmission design for amplified torque when powering through overgrowth. Our Cordless String Trimmer provides 13" of swath with a 0.080" line. The variable speed trigger offers control, performance and runtime management. This cordless string trimmer is part of the 20V MAX* battery system and utilizes the same batteries and chargers as your 20V MAX* cordless power tools and equipment.