Brand: Eventronic Color: Black Features: Replacement Spools Models: AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2:Compatible with BLACK+DECKER 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: Eventronic 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: Eventronic trimmer string for BLACK+DECKER 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 Cutting: Eventronic 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 cutting 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 12 replacement spools for black and decker, 3 spool caps covers of RC100P, 3 springs. Binding: Lawn Patio model number: AVL8 Part Number: AVL8 Package Dimensions: 11.0 x 8.2 x 1.7 inches Listing and template services provided by inkFrog