The SharperBlade SB601E Electric Grass Trimmer/Edger is perfect for those homeowners and professionals who are dissatisfied with the hassles of traditional string trimmer models. The SharperBlade unit features a maintenance-free blade that lets you trim weeds and edge the lawn without stopping, unlike string trimmers that require constant string adjustment and replacement. The SB601E is ETL inspected and approved and comes with a full 2-year warranty.