Weed Warrior® .065 in. x 100 ft. Heavy Duty Nylon Trimmer Line is a professional grade trimmer line that outperforms other lines on the market. Scientifically engineered to be more durable and last longer than residential trimmer line and designed in conjunction with lawn care industry professionals with demanding needs on performance and durability. Impact modifiers are set within the nylon to keep your line from breaking away when trimming against obstacles. The .065" diameter is designed to fit most battery and electric string trimmers and works with all brands including Hyper Tough, Black Max, Snapper, Craftsman, Murray, Poulan Pro, Weed Eater, Husqvarna, Echo, Stihl, Ryobi, Black & Decker and more.