Reel specifications: uubox harness trimmer is compatible with black + Deacker reel with cover, 30 feet (about 9.1 meters) 0 inches (about 0.2 cm) cutting line, can be used with the original spool models AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2. Professional CNC spool: using a CNC machine, the black trim and bridge spools are automatically cut and wound, and won't get stuck during cutting. Strong Material: The uubox cutting spool replacement spool adopts high quality ABS spool and durable polyamide nylon thread, which is flexible and has a long lifespan. Use centrifugal force for maximum performance. Precautions for use: Please wear protective goggles and long pants to avoid injury from overflow lines. This product is not suitable for young lawns. For strong weeds, please use other tools, such as trimming blades. Great compatibility: Our replacement spools for black and deck trimmers are compatible with GH900, GH600, LSTE525, LST300, BESTA510, LCC340C, LST522, ST8600, ST7700, ST700, ST66600, NST2118, NST2018, NST2018, N.ST1118 MTE912, MTC220, LSTE525BT, LSTE523, LST420, LST400, LST220, LST201, LST140C, LST135W , LST135B, LST135, LCC222, LCC21, GH91 2, GH610, GH500, GH400, CST2000, CST1200, CST1000512, BESTA620 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia