SPROCKET FOR POWER SAWS COMPATIBLE WITH MODEL: 181 185 281 285 298 394 394XP 395 395XP 1100 2100 2101 BELL INDEX: 78.5mm BORE: 17.5mm TOTAL HEIGHT: 35.5mm 3/8" 7 TEETH roller cage: 21276 self-aligning ring: 66210 HUSQVARNA CODE: 28094X ORIGINAL CODE: AT