FJCSWJ AF100 String Trimmer Replacement Spool Replacement for Black and Decker AF-100-3ZP AF-100-BKP,30ft 0.065" Autofeed String Trimmer Replacement Spool Refills (12 + 2)

Auto Feed It automatically feeds when needed which achieved by centrifugal force, so please note that auto feed must be in high gear. AF-100 Spool fits for the following  Black and Decker machines: GH600 Type 2 14"" Automatic Feed Trimmer/Edger GH600 Type 3 14"" Automatic Feed Trimmer/Edger GH610 String Trimmer GH600 Type 5 14 Grass Hog GH400 Type 1 12 String Trimmer GH400 Type 2 12 String Trimmer GH400 Type 3 12 String Trimmer GH400 Type 5 12 String Trimmer GH500 Type 1 12 String Trimmer GH500 Type 2 12 String Trimmer GH500 Type 3 12 String Trimmer GH500 Type 5 12 String Trimmer GH500 Type 6 12 String Trimmer GH900 (Type 1) 6.5 Amp String Trimmer LST220 Type 1 20V String Trimmer LST1018 Type 1 18V String Trimmer LST420 Type 1 Cordless 20V Lith String Trimmer LST300 Type 1 Cordless 20V Lith String Trimmer LST400 (Type 1) 12"""" 20v MAX Lithium High Performance Trimmer and Edger ST6600 Type 1 13 String Trimmer ST7000 Type 1 13 Trimmer / Edger ST8000 (Type 1) 12 String Trimmer NST1018 18V String Trimmer NST2018 Type 8 18V String Trimmer NST2018 Type 7 18V String Trimmer NST2118 Type 1 18V String Trimmer NST2018G (Type 1) 18V String Trimmer NST2018L Type 2 18 Volt String Trimmer NST1118 Type 1 Cordless 18V String Trimmer NST1118 Type 2 Cordless 18V String Trimmer NST2018 Type 1 18 Volt 12"" Cordless GRASSHOG Trimmer / Edger NST2018 Type 2 18 Volt 12"" Cordless GRASSHOG Trimmer / Edger CST1000 Type 1 Cordless String Trimmer CST1000 Type 2 Cordless String Trimmer