Replacement Spools Models: AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2:Compatible with Weed Eater 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

Automatic Feed Spool: replacement spool for Black and Decker weed eater is easy to use , automatically feeds the trimmer by centrifugal force, reducing the tediousness of manually sorting out the replacement trimmer line spool during work.

Abrasion Resistant: trimmer string for weed eater is constructed with an upgraded nylon polyamide material that has a tensile strength of over 100 lbs and which is 30% more durable than other brands for longer life.

Efficient : Trimmer spool line for Black&Decker weed eater is pliable and flexible, allowing for the line to stretch and cushion on impact with hard surfaces, and increasing efficiency by 50%, making each spool to cut more weeds.

Professional Seller: As a professional brand, we have an excellent after-sales service team and and product quality warranty. Package contains 8 replacement spools for black and decker, 2 spool cap covers of RC100P, 2 spring.