BLACK+DECKER® string trimmer auto feed system replacement spool works with BLACK+DECKER® auto feed string trimmers. The 30 Ft. factory-wound replacement spool features a 0.065 inch diameter line. Compatible with the following BLACK+DECKER® string trimmers: GH400, GH500, GH600, ST6600, ST7000, CST1000, CST2000, NST2018.
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