[Spool Specification]: Compatible with Black&Decker string trimmer spools, 20ft 0.065 inches, compatible with original spools models RS-136 / RS-136-BKP / 143684-01. [Compatible models]: Fit for Black Decker weed eater string trimmer: CST500, ST1000, ST3000, ST4000, ST4050, ST5000, GE600, ST200, ST300, ST400, CST800 and ST6800. [Professional CNC winding spool]: Compatible with Black 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. [Precautions for use]: When you using this product, protective measures should be taken to avoid damage to the body caused by spilled wires. The product is only suitable for young grasses. For strong weeds, use other tools such as blades to trim. Product Description Length 20ft trimmer line provides a wider range of mowing area. 0.065 inches diameter wearable line supports fast cutting and longer lifetime Fit for Black Decker weed eater string trimmer: CST500, ST1000, ST3000, ST4000, ST4050, ST5000, GE600, ST200, ST300, ST400, CST800 and ST6800. compatible with original spools models RS-136 / RS-136-BKP / 143684-01. String Trimmer Spools Cap and Blades For Black Decker Black Decker RS-136 Spool Black Decker RS-136 Spool Black Decker AF-100 Spool Black Decker SF-080 Spool Black Decker DF-065 Spool Black Decker DF-080 Spool Black Decker DF-065 Spool Material Polyamide Polyamide Polyamide Polyamide Polyamide Polyamide Polyamide Package 6 Spool+1 Cap Cover 3 Spool+1 Cap Cover 8 Spool+1 Cap Cover+1 Spring 4 Spool+1 Cap 4 Spool+1 Cap 3 Spool 3 Spool Inch 0.065 0.065 0.065 0.080" 0.065" 0.080" 0.065" Compatible Brand Black Decker Black Decker Black Decker Black Decker Black Decker Black Decker Black Decker Compatible Models RS-136 ST4500 ST1000 ST4000 RS-136 ST4500 ST1000 ST4000 GH912 GH900 GH600 GH400 GH500 GH3000 GH3000R LST540 GH710, GH700, GH750 GH1100, GH1000, GH2000 GH710, GH700, GH750 From the brand /* * Used when device = desktop * Configured in: configuration/brazil-config/global/brand-story.cfg */ /* Because the carousel is implemented as an ol list, any lists in the card text will have a secondary list style (letters). This will give an incorrect appearance to viewers, so we set all lists to the primary list style (numbers). */ .aplus-