General description The Trimmer Line is a compatible replacement spool designed for various Black and Decker trimmer models. This package includes 6 replacement spools, 1 spool cover, and 1 spring, ensuring you have everything needed for efficient trimming. Technical specifications Trimmer cord length: 30 feet Trimmer cord diameter: 0.65 inches Spool cap diameter: 3.35 inches Spool cap height: 1.38 inches Compatibility and accessories Compatible with Black and Decker models: GH400, GH500, GH600, GH610, GH900, GH912, GL280, GL301, GL425, STC1820, STC1815, ST4525, ST5530, STC1840, ST1823, ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000, CST1000, CST1100, CST1200, CST2000, MTC220, MTE912, NST1018, NST10, NST1118, NST1810, NST2018, NST2118, LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST522, LST1018, LSTE523, LSTE525, BESTA510, BESTA512, BESTE620 Replaces Black & Decker AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2 Spool cap replaces Black and Decker RC Spring