General description The AutoCut C26-2 head replacement is designed for various Stihl models, including the FS, KM, and FR series. It is compatible with models such as FS 50, 55, 70, 80, 85, 90, 120, and more. This affordable trimmer head effectively replaces the Stihl AutoCut C26-2 (PN: 40027102169) and is suitable for cutting lines under 2.7 mm, including 2.4 mm and 2.6 mm cutting lines. Technical specifications Cutting line diameter: 2.4 mm Thread mount: M10 x 1 mm Thread type: left-hand thread Compatibility and accessories Compatible with Stihl FS series: FS 50, 55, 56, 70, 80, 85, 86, 89, 90, 91, 94, 111, 120, 130, 131, 200, 240, 250, 260 Compatible with Stihl KM series: KM 55, 56, 85, 90, 94, 100, 110, 130+ Compatible with Stihl FR series: FR 131, FR 410 Compatible with Stihl FSA series: FSA 130, FSA 90 R Other information