SPROCKET FOR POWER SAWS COMPATIBLE WITH MODELS: 024 026 AFTER S/N X25809074 MS260 MS260 PRO MS270 MS270C .325" 7 TEETH INNER HOOK: 69mm Ø bore: 13mm total height: 28.5mm SELF-ALLINING RING: 11892 ROLLER CAGE: 37325 STIHL CODE: 100791X ORIGINAL CODE: AT