Fitment??(Tips: Press “Ctrl + F” To Help You Quick Locate The Model You Are Looking For)Fits Multiple String Trimmer Models:LCC140, GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000, CST1000, CST1100, CST1200, CST2000, MTC220, MTE912, NST1018, NST1024, NST2018, NST1118, NST2118, LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST136, LST522, LST1018, LST523, LST525, BESTA510, BESTA512, BESTE620Product Description??Compatible With Black + Decker Trimmers:Designed Fore With Black Decker Auto Feed String Trimmers, 30-Foot Factory-Wound Replacement Spool Features A 0.065-Inch Diameter Line.Auto Feed System Replacement:Eliminates Time Spent Hand-Winding String Trimmers, Compatible With Black+Decker String Trimmer And Utilizes Centrifugal Force To Feed The Trimmer Line As It Is Needed.Enhanced Material:Premium 0.065-Inch Diameter Enhanced Nylon Line, Supports Fast Cutting And Longer Lifetime. (Note: Only Suitable For Tender Weed Grass. Tough And Strong Weeds Pleasee Blades To Trim)Package Included??8 ?? Replacement Trimmer String Spool,2?? Replacement Spool Cap,2??SpringW/O Product Instruction(As Picture Show, Contact If Receive With Missing Parts.)Note??Please make sure that the model and appearance of your equipment are exactly the same as our products.It is the customer’s responsibility to buy the right products. If you are not sure, please contact in time.Thank you for your cooperat