Compatible with Black & Decker String Trimmer Models:CST500, CST800, ST200, ST300, ST1000, ST3000, ST400, ST4000, ST4400, ST4500, ST5000, ST6500, ST6800,GE600. Spool Model:RS-136 / RS-136-BKP / 143684-01 Trimmer Replacement Spool Line 20ft 0.065 inches,String Spools by the CNC machine cutting and winding.Use centrifugal force and aerodynamics to reduce resistance and realize rapid cutting. High quality ABS spool and durable polyamide nylon thread have good elasticity and long service life. Package includes: 6x replacement trimmer spool +1 Cap cover and 1spring. Simple operation and convenient installation. After-sales guarantee:If you have any quality problems, please feel free to contact us, We will provide the optimal solution within 24 hours.

☆Compatible with Black & Decker String Trimmer Models:CST500, CST800, ST200, ST300, ST1000, ST3000, ST400, ST4000, ST4400, ST4500, ST5000, ST6500, ST6800,GE600.

☆ Spool Model:RS-136 / RS-136-BKP / 143684-01.

☆ Trimmer Replacement Spool Line 20ft 0.065 inches,String Spools by the CNC machine cutting and winding.Use centrifugal force and aerodynamics to reduce resistance and realize rapid cutting. High quality ABS spool and durable polyamide nylon thread have good elasticity and long service life.

☆ Package includes: 6x replacement trimmer spool +1 Cap cover and 1spring. Simple operation and convenient installation.

☆ After-sales guarantee:If you have any quality problems, please feel free to contact us, We will provide the optimal solution within 24 hours.