Spool Specification: : Black+Decker spools is 30ft 0.080 inches, fit for original spools models: DF-080 / DF-080-BKP.Compatible models: : Compatible with black decker string trimmer: GH1100, GH1000, GH2000.Professional CNC winding spool: : Replacement for Black and Decker spools by the CNC machine cutting and winding, automatic line change. Manual winding is cumbersome and can easily get stuck during use, which can cause damage to the string trimmer.Rugged material: : High-quality ABS spool & durable polyamide nylon thread, flexible and long service life. Use centrifugal force and aerodynamics to reduce drag and achieve fast cutting.Quality Assurance:If you have any quality problems, please feel free to contact us, we will provide appropriate solutions within 24 hours.