Factory-Reconditioned Black & Decker NST1024R 24V Cordless 13-in Straight Shaft Electric String Trimmer / Edger PowerCommand allows you to switch to boost mode for extra power to tackle tough jobs Patented gear drive transmission cuts more grass per charge than any other competing string trimmer brand Trimmer and edger in one tool 9,000 RPM motor and gear drive deliver up to twice the power of 18V trimmers High performance 24V battery and powercommand cut up to 2.5x more grass per charge than 18V