[Auto Feed System Replacement] This item is a excellent replacement which was designed for Black+Decker string trimmer. With Auto Feed System Replacement Spool eases the tedious work of hand-winding spools.
[Broad Matching] Utilizes centrifugal force to automatically feed the cutting string without bumps and hitches. The AFS?Auto Feed System?replacement spool is very compatible with most BLACK+DECKER string trimmers.
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,,Compatible with CRAFTSMAN String Trimmer.
[Cuts fast and Longer lifetime] Premium 40Ft 0.065-Inch diameter wearable line supports fast cutting and longer lifetime.
[Easy to Use] If you are skilled ,you will finish the Removing and installing in 1-2 minite.[Extended warranty] Gardenok supply 2 years Warranty for this high quality string trimmer replacement autofeed spool.