Af100 Weed Eater String Compatible With, 12 Trimmer Spool + 3 Cap + 3 Spring Product Features Suitable for Multiple BLACK + DECKER String Trimmer: GH900, GH912, GH600, GH610, GH400, GH500; NST2018, NST2118, NST111, NST1018, NST1024, NST1810; LST220, LST201, LST300, LST400, LST420, LST136, LST120, LST140, LST1018, LST522, LSTE523, LSTE525; ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000; MTC220, MTE912; CST1000, CST1100, CST1200, CST2000; BESTA510, BESTA512, BESTE620 Automatic feed system to change spools eliminates the time-consuming task of manually winding the trimmer spool High Quality: The string trimmer line is made of improved nylon polyamide material with a tensile strength of over 100 lb, which is resulting in higher durability and lasts longer life High Performance: AF100 weed eater string is constructed with an upgraded nylon polyamide material, flexible trimmer spool allows line to stretch and cushion on hard surfaces, increasing cutting efficiency for more effective weed trimming Satisfactory Service: If you have any quality problems about our trimmer replacement spool, please feel free to contact us and we will reply you asap AF-100 Replacement Trimmer Spool: 2.64 in * 1.09 in; RC-100-P Spool Cap Cover: 3.35 in * 1.26 in Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!