Blue commercial grade round-shaped 065 trimmer line. The round trimmer line .065 compatible with all brands of string trimmers include Echo, Husqvarna, Redmax, Ryobi, Black & Decker, Cub Cadet, Weed Eater, Weed wacker and more. The 065 trimmer line is made of high-quality nylon, heavy-duty and durable to use and not easy to break. Square weed eater string .065 feature: Strong and durable, long service life. High cutting efficiency means less effort and time and better weeding results. higher cutting efficiency than the round trimmer line, and higher toughness than the twist weed eater string to resist breaking. Weed wacker string .065 specification: Diameter:0.065inch(1.65mm) Length:3000feet Weight:5 lb Shape:round-shaped Color:blue Package includes: 1 X string trimmer line.065