BLACK DECKER LST220 12" 20-Volt MAX Lithium String Trimmer Edger. The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get the job done faster. The Automatic Feed Spool ensures continuous work without bumping and having to stop to adjust the spool. Easily converts from trimmer to edger with a quick turn of the shaft. It is quiet and easy to start, delivering great cutting results without the mess and hassles of gas powered trimmers. Great for trimming areas of overgrowth after mowing, edging along borders, sidewalks and flower beds. Includes two batteries for double runtime. Buy this Tool and Save $172.36 Off on a BLACK DECKER 12" 20-Volt MAX Lithium String Edger (LST220) for $74.88 after instant rebate with free shipping at Rakuten.com.