The BLACK+DECKER® Cordless String Trimmer/Edger puts you in control. Adjust the height of this garden tool and choose the right speed to tackle any job. When you need a boost of strength, the trimmer's POWERDRIVE delivers increased torque. And the Automatic Feed Spool keeps the trimmer line going to help you work faster. With a charger and interchangeable Lithium Ion battery, this lawn tool delivers long-lasting power.