Suitable for Multiple B&D String Trimmer Models: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000, CST1000, CST1100, CST1200, CST2000, MTC220, MTE912, NST1018, NST1024, NST1118, NST1810, NST2018, NST2118, LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST522, LST1018, LSTE523, LSTE525, BESTA510, BESTA512, BESTE620 Premium 30-foot/0.065" replacement line:30-feet replacement line is factory wound for a superior feed Pliable and flexible allowing for the line to stretch and cushion on impact with hard surfaces RC100P Spool Cap Compatible with black and decker trimmers: GH400, GH500, GH600, GH610, GH900, GH912, BESTA510, BESTA512, BEASE620, CST1000, CST1200, CST2000, LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST522, LST1018, LSTE522, LSTE523, LSTE525, NST1018, NST1024, NST1118, NST1810, NST2018, NST2118, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000.Factory wound for high reliability to replace AF-100, Fast and EASY re-loading Package Included: 4 Pack ×30ft 0.065" Replacement Trimmer Spool，2 x RC-100-P Spool Cap Cover 2 x Replacement Spool Spring.

Suitable for Multiple B&D String Trimmer Models:

GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000, CST1000, CST1100, CST1200, CST2000, MTC220, MTE912, NST1018, NST1024, NST1118, NST1810, NST2018, NST2118, LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST522, LST1018, LSTE523, LSTE525, BESTA510, BESTA512, BESTE620

High Quality 30-foot/0.065" replacement line:

30-feet replacement line is factory wound for a superior feed

More Convenient to Use & Store:

Auto Feed System replacement spool eliminates time spent hand-winding string trimmers

Accessories:

4 Pack 0.065" Replacement Auto-feed Spool

Note: Wear eye protection and long pants when using this product to avoid injury！