2 pieces mowing head for Stihl C26-2 Autocut, ADEFOL trimmer head for STIHL FS55 FS56 FS70 FS80 FS85 FS87 FS89 FS90 FS91 FS94 FS111 FS120 FS131 FS240 brush cutter Autocut C 26-2 spare parts