The DEWALT 20-Volt MAX 4 Ah String Trimmer provides precise power and runtime control with a variable speed trigger. The patented gear drive design provides more torque and maintains cut speed under load while the dual-line bump feed head clears a full 13 in. The string trimmer is easy to maneuver and puts less stress on the user. Dual .080 in. line with bump feed Patented gear drive design powers through overgrowth Ergonomically balanced at only 8.5lbs.