General description The 6pcs Strimmer Line Spool is designed for compatibility with various Black and Decker brush cutter models. This set includes six replacement cutting spools, one replacement spool cover, and one replacement spring, ensuring you have everything you need for efficient lawn care. Technical specifications Spool diameter: Ø1.65mm Replacement line length: 10m Compatible models: GL280, GL301, GL425, GL430, GL545, GL555, GLC13, GLC2500, GLC2500L, GLC3000, GL4525, GL4525SB, GL5028, GL5028SB, GLC1423L, GLC1825N, GLC1823L, GLC1825L, GLC3630L, ST5530, ST4525, STC1820, STC1815, STC1820PC/EPC, STC1840/EPC, ST1823 Compatibility and accessories 6 replacement cutting spools (AF-100) 1 replacement spool cover (RC-100-P) 1 replacement spring Installation Easy installation with the Auto Feed System, eliminating the need for manual winding of the thread.