If you’re tired of messing with trimmer line, this simple and convenient Spools is for your trimmer. Simply remove the old spool, replace it with one of the new pre-wound spools and you’re ready to get back to work. Pliable and flexible, it allows for to stretch and cushion on impact with hard surfaces. Feature - ColorAssorted Color - Material: Nylon - Size: φ1.65mm x 9.144 - Made of quality nylon, providing longer lasting commercial cutting. - Easy to use and install, and save you time and energy. - Pliable and flexible, it allows for to stretch and cushion on impact with hard surfaces. - Choice of landscaping professionals. - Premium 30-foot/0.065" replacement line:30-feet replacement line is factory wound for a feed. Auto Feed System replacement spool eliminates time spent hand-winding string trimmers. - Included 0.065" Replacement Trimmer Spool, 1 pack replacement spool cover,1 pack replacement spring. - Fits multiple string trimmer models: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2018, NST1118, NST2118, LST220, LST300, LST400, LST420, LST136. Package list: 8 x Replacement Spool 1 x Trimmer Cap 1 x Spring