General description You will receive either 6 packs of brush cutter spools along with 2 brush cutter caps and 2 springs, or 8 packs of brush cutter spools with the same accessories. This replacement spool is designed for Black+Decker self-feeding strimmers, making it an efficient choice for your gardening needs. Technical specifications Material: ABS spool and durable, flexible polyamide nylon line Quantity: Available in 6 or 8 packs of spools Includes: 2 brush cutter caps and 2 springs Compatibility and accessories Fits multiple brush cutter models including: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2018, NST1118, NST2118, LST220, LST300, LST400, LST420, LST136. Usage The replacement spool features an automatic feeding system that simplifies the tedious work of manual spools, allowing for quick and efficient cutting.