Weed Warrior .065 in. x 100 ft. Nylon Heavy Duty Trimmer Line Product Description From Manufacturer 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. Weed Warrior .065 in. x 100 ft. Nylon Heavy Duty Trimmer Line Professional grade trimmer line Scientifically engineered to be more durable Compatible with all brands Crimped design to improve cutting performance Used for trimming or edging grass This item is in new, never opened condition. If the description or the photo does not answer all your questions, please email me and I will get back to you as soon as possible.