BLACK+DECKER 40V MAX String Trimmer/Edger with Trimmer Line Replacement Spool, Autofeed 30 ft, 0.065-Inch, 2-Pack (LST136 & AF100-2)

• The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get the job done faster 40V MAX* lithium battery for long runtime PowerCommand dial to choose between MAX power and MAX runtime Compatible with: BESTA510, BESTA512, BEASE620, CST1000, CST1200, CST2000, GH400, GH500, GH600, GH610, GH900, GH912, LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST522, LST1018, LSTE522, LSTE523, LSTE525, NST1018, NST1024, NST1118, NST1810, NST2018, NST2118, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000 Auto Feed System replacement spool eliminates time spent hand-winding string trimmers