High performance trimmer line modified to outperform other residential lines. Scientifically engineered to be more durable than other residential trimmer lines. Made to fit the Push-N-Load fixed line head specifically, but will work with most fixed line heads. Impact modifiers are embedded within the nylon to keep your line from breaking away when trimming against obstacles as often as other products on the market. That means cutting more with fewer stops to get the job done faster, leaving you more time to do the things you want.095 in. diameter is designed to fit most gas trimmers and works with all brands to include Husqvarna, Echo, Stihl, Cub Cadet, Redmax, Ryobi, Black & Decker, Weed Eater, Poulan, MTD, and more. Includes 20 pre-measured and pre-cut 138.5 in. long strips. DURABLE: High quality nylon resin to provide a long trimmer line life AGGRESSIVE GEAR SHAPE: A multi-sided "gear" shape results in great cutting performance to help keep your lawn looking it's best SAVES TIME: Durable pre-cut and pre-measured sections of line allow for super fast line changes, allowing you to get the job done faster with less frustration and hassle UNIVERSAL FIT: Made to work with the Push-N-Load and other fixed line trimmer heads, suitable for most gas string trimmers MADE IN THE USA: Proudly made in Columbia, SC by Shakespeare Company LLC