WIDE COMPATIBILITY: This replacement spool is designed for Black & Decker string trimmers including GH400, GH500, GH600, GH900, ST8600, ST7700, LSTE525, LST300, NST2118, NST2018, MTC220 & 30+ other models. Also fits spool models AF-100, AF-100-3ZP, AF-100-BKP. COMPLETE 3+1 VALUE PACK: Get everything you need in one purchase! Each order includes 3 pre-wound replacement spools + 1 bonus cap. Never run out of line mid-job and enjoy extended trimming time. PREMIUM PERFORMANCE: Each spool comes pre-wound with 30 feet of 0.065-inch diameter high-quality nylon line. Delivers durable, precise cutting for edging, trimming, and tackling tough weeds. INSTALLS IN SECONDS – NO TOOLS NEEDED: The easy snap-in design lets you replace your weed wacker string in seconds. Simply remove the old spool, snap the new one into place, and get back to a perfectly manicured lawn. RELIABLE & COST-EFFECTIVE: Keep your Black & Decker trimmer running like new without buying a new tool. This bulk pack saves money and time compared to single spools or frequent line winding. Keep your Black and Decker string trimmer running smoothly with this AF100 Replacement Spool. This AF-100 Trimmer Spool comes in a 3+1 pack, compatible with a wide range of Black&Decker trimmer models including GH400, GH500, GH600, GH610, GH900, LSTE525, LST300, BESTA510, LCC340C, LST522, ST8600, ST7700, ST7000, ST6600, NST2118, NST2018, NST1118, NST1018, MTE912, MTC220, LSTE525BT, LSTE523, LST420, LST400, LST220, LST201, LST140C, LST136W, LST136B, LST136, LCC222, LCC221, LCC140, GH912, CST2000, CST1200, CST1000, BESTE620 and BESTA512. It is also compatible with spool models: AF-100, AF-100-3ZP, AF-100-BKP and AF-100-2. Specially designed for the above-mentioned models, these spools are pre-wound with 30 feet of 0.065-inch diameter line to deliver the power and precision you need for a perfectly manicured lawn. Each pack includes 3 replacement spools + 1 bonus cap for added convenience, ensuring you have the right tools on hand to handle even the toughest trimming jobs. Engineered for durability, the high-quality nylon line provides superior cutting performance and is ideal for edging, trimming, and mowing tasks around your yard. Easy to Install: No tools required—simply snap the weed whacker spool cover into place and get back to trimming. Whether you're replacing the string trimmer line .080 or using the 0.065 string trimmer line, this product ensures quick and efficient installation for both Black and Decker weed wacker string and lawnmower spool replacements.