Bar body composed of three welded metal layers. The central one is heavily cut out to ensure great stability with a very favorable weight. The chain runs on a star with a sturdy support that does not require lubrication.Like all STIHL bars, this version is also made of high-quality chrome-molybdenum steel.Main uses: ideal for plant maintenance.Models: MS 210, MS 210 C, MS 230, MS 231, MS 250, MS 251.