Yardworks 85’ Assorted Universal Trimmer Line is compatible with most models or brands of gas mowers and trimmers that can accept a 0.155″ trimmer line. All Yardworks trimmer line is tested for a multitude of strengths and weaknesses, with a variety of different shapes available for different purposes. The line is also easy to install in almost any compatible grass mower, trimmer, or other device. The line’s superior composition can provide professional performance, and delivers superior edging performance against the likes of concrete, wood, and metal surfaces.