GENERAL DESCRIPTION The C6-2 trimmer head is suitable for Stihl brushcutters, grass trimmers, edgers, lawnmowers, and thinners. TECHNICAL SPECIFICATIONS Part number: 4006 710 2126 Material: High-quality, durable plastic COMPATIBILITY AND ACCESSORIES Compatible with Stihl models FS38, FS40, FS40C, FS45, FS46, FS50, FS50C, FSA60R, FSA86R, FSE60, FSE71, FSE81