BLACK+DECKER DF-080 Dual-Line Replacement Spool .080-Inch The 0.80-inch Dual-Line replacement spool eliminates time spent hand-winding string trimmers 30-foot replacement line is factory wound for a superior feed Utilizes centrifugal force for maximum performance This is a replacement spool for the GH100, GH1100, GH2000 This is an O.E.M. authorized part