General description The 10 Pack Strimmer Line Spools are designed for compatibility with various Black & Decker brush cutters and lawnmowers. This set includes 8 strimmer lines, 2 covers, and 2 springs, providing everything you need for efficient lawn maintenance. Technical specifications Strimmer line diameter: 1.65 mm Tensile strength: over 100 pounds Material: improved polyamide nylon Strength: 30% stronger than other brands Compatibility and accessories Compatible with Black & Decker models: GL110, GL320, GL325, GL300, GL200, GL220, GL225S, GL420, GL280, GL301, GL425, GL430, GL545, GL555, GLC2500L, GLC3000, GL4525, GLC1423L, GLC1825N, GLC1825L (20), GLC3630L, GLC1823L (20), ST1820, STC1820CM, SSTC51820PC / EP, STC1840 Package includes: 8 replacement spools, 2 spool caps, 2 springs Usage The replacement spool is easy to use and automatically feeds the brush cutter through centrifugal force, minimizing the need for manual adjustments while in operation. The flexible and pliable