General description The Line Trimmer Replacement Spool is designed for Black + Decker trimmers, featuring a 30-foot length of 0.065-inch premium replacement line. This spool is factory spooled for superior feeding and is compatible with multiple trimmer models, making it an ideal choice for efficient lawn care. Technical specifications Length of line: 30 feet Line diameter: 0.065 inches Includes: 8 replacement spools, 1 spool cap, 1 spring Compatibility and accessories Compatible with models: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2018, NST1118, NST2118, LST22, LST300, LST400 Installation Easy to install, saving time and effort compared to winding trimmers by hand. Usage Bendable and flexible line allows for stretching and expansion. Aerodynamic shape reduces drag for more efficient cuts. Cushions impact with hard surfaces for enhanced durability.