Clutch Drum. 404 8 Teeth Sprocket Rim Assy For Stihl 070 Chainsaw Replacement Spare Part Chain Saw For Stihl 070 chainsaw part Replace OEM for 1106 160 2001 Sprocket rim feature. 404" pitch, 8 teeth, inner hole 22mm Package include 1 x Clutch Drum, 1 x Sprocket Rim, 1 x Clutch w Gasket