Commercial grade trimmer line (.095" x 50 ft) Up to 15% longer run times on cordless. Aerodynamic for less resistance, using less battery energy to cut more• More durable• Fits all trimmers• Used for trimming or edging grass. Commercial Grade trimmer line by Weed Warrior is a commercial grade twisted trimmer line that outperforms other premium trimmer lines on the market. It was developed with the professional yard maintenance and commercial user in mind for it's ultra high performance and long life but works equally well for the do it yourself homeowner as well. The aerodynamic twist shape reduces line resistance and vibration, keeping the trimmer from slowing down, using less battery energy and cutting more. Scientifically engineered to deliver maximum durability and last longer than residential grade trimmer line. Impact modifiers are embedded within the nylon to keep your line from breaking away when trimming against obstacles such as brick, concrete, wood, stone and steel. That means cutting more with fewer stops to get the job done faster. .095" diameter is designed to fit most gas trimmers and works with all brands of string trimmers to include Hyper Tough, Black Max, Snapper, Craftsman, Murray, Poulan Pro, Weed Eater, Husqvarna, Echo, Stihl, Ryobi, Cub Cadet, Black & Decker, and more.