AF-100 Spool works with the following string trimmer models:
AF-100 String Trimmer Line and Spool compatible with:
GH: GH400, GH500, GH600, GH610, GH900, GH912
CST: CST1000, CST1100, CST1200, CST2000
BEST: BESTA510, BESTA512, BEASE620
ST: ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000
NST: NST1018, NST1024, NST1118, NST1810, NST2018, NST2118
LST: LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST522, LSTE522, LSTE523, LSTE525, LST1018
MT: MTC220, MTE912