General description The Trimmer Head Spool is designed specifically for Stihl brush cutters, including models AUTOCUT 40-2, FS160, FS220, FS280, FS300, FS310, FS350, FS360C-E, FS400, FS410, FS450, FS460C-EM, FS490C-EM, and FS480. This cutting head is an OEM part, ensuring compatibility and quality. Technical specifications OEM reference: 4003 710 2189 Compatible with: Stihl models FS160, FS220, FS280, FS300, FS310, FS350, FS360C-E, FS400, FS410, FS450, FS460C-EM, FS490C-EM, FS480 Other information Package includes: 1 Stihl 40-2 trimmer head