Black & Decker LST220 12-Inch 20-Volt Lithium-Ion Cordless GrassHog Trimmer/Edger (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Easily converts from trimmer to edger with a quick turn of the shaft Powered by 20-volt MAX lithium-ion battery which provides a longer lifespan and charge retention than NiCad batteries PowerDrive transmission delivers more power from the motor to the cutting string Automatic feed spool ensures continuous work without bumping; 12-inch cutting swath