AF-100 Spool Compatible with Black and Decker string trimmers: GH400, GH500, GH600, GH610, GH900, GH912; LST120, LST136, LST140C, LST201, LST220, LST400, LST420, LST522, LST1018, LSTE522, LSTE523, LSTE525; NST1018, NST1024, NST1118, NST1810, NST2018, NST2118; LCC222, LCC140; ST7000, ST7200, ST7700, ST7701, ST8600, ST9000; BESTA510, BESTA512, BESTE620; PS76110A; MTC220, MTE912; CST1000, CST1200, CST2000. AF100 Line string trimmer replacement spool compatible with Black Decker original spools models AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2AF1003ZP, AF100BKP. High-quality ABS spool & durable polyamide nylon thread, flexible and long service life. AF100 Spool Use centrifugal force and aerodynamics to reduce drag and achieve fast cutting. Premium weed eater string trimmer line with 30ft 0.065" diameter easily cuts through grass and weeds. Length 30 feet trimmer line provides a wider range of mowing area; 0.065 inches diameter wearable line supports fast cutting and easily cuts through grass and weeds. PRECAUTIONS FOR USE: Wear safety goggles and long pants when using this product to avoid injury from spilling lines. Unplug tool before changing, installing, or removing accessories. This cordless weed eater parts refill is only suitable for young grasses. Strong weeds use other tools such as blades to trim. Feel free to contactus by emails if you have any problems.