Compatible with Black and Decker, the AF-100 spool fits a variety of trimmer models: GH900, GH600, GH400, GH500, GH610, GH912; ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000; CST1000, CST1100, CST1200, CST2000MTC220MTE912; BESTA510BESTA512BESTE620NST2018NST2118NST1118NST1018NST1024NST1810LST220LST201LST300LST400LST420LST1 36LST120LST140LST1018LST522LSTE523LSTE525 Contents of the packaging: 8 replacement spools for Black and Decker trimmers; 2 spare caps and 2 spare spool springs. Value for money and easy to replace. Note: 1) Please wear goggles and long pants when using this product to avoid injury; 2) Only suitable for soft grass. Use a blade to trim stubborn weeds. We do not sell other items in the pictures. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.