Desert Extrusion, a division of Rotary Corporation, specializes in manufacturing world-class trimmer line products since its establishment in 1990 in Phoenix, AZ. Acquired by Rotary in 2017, Desert Extrusion offers a wide range of premium quality trimmer lines in various sizes and shapes, including round, diamond-edge, and the popular twisted Vortex line. With a focus on quality and innovation, Desert Extrusion has developed proprietary nylon raw materials and utilizes advanced extrusion technology to set industry standards for durability, performance, and unmatched quality. Their products are distributed in all 50 states and over 75 countries worldwide.