🌟 Trim Like a Pro: Elevate Your Yard Game! Automatic feed system for hassle-free operation. 30% more durable than competitors, built to last. Backed by a dedicated after-sales service and quality warranty. Increased efficiency means more weeds tackled with each spool. Fits a wide range of Black+Decker models for ultimate convenience. 50% cutting efficiency 100 lbs tensile strength 240ft length The 10 Pack String Trimmer Replacement Spool is designed for compatibility with a wide range of Black+Decker weed eaters. Each spool features an automatic feed system, durable nylon polyamide construction, and enhanced cutting efficiency, making yard maintenance easier and more effective. The package includes 8 spools, 2 spool caps, and 2 springs, ensuring you have everything you need for a seamless trimming experience.