Check the listing for details. 9 Pack SF-080 Auto Feed String Trimmer Spool Line Replacement for Black & Decker. Color: Black+Green, Condition: New. Listed at 28.98 USD. 1.Black and Decker SF-080 Compatible with Black and Decker spools, 20ft 0.08 inches, compatible with original spools models SF-080. 2.SF-080 With 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. 3.Line string trimmer replacement spool fits for Black & Decker GH3000, GH3000R, LST540, LST540B. 4.The Replacement Spools for your Black & Decker Cordless Trimmer/Edger feature a single-line release, and are loaded with our proprietary cutting line for maximum reliability and less tangling. 5.Each Black Decker GH3000 comes pre-wound and may be replaced easily in a few seconds.