Cluch Drum Sprocket Rim For Dolmar Chainsaw. Parts Numbers: 028 223 100, 028 223 012, 028 223 316, 028 223 315, 028 223 313, 028 223 311, 028 223 060. Compatibility Suitable For Dolmar 100 102 PS-33 PS-330 PS-340 PS-341 PS-342 PS-344 PS-39 PS-390 PS-400 PS-401 PS-410 PS-411. Warning! It is not compatible with 0.325-7T, please confirm your size befor purchase! Package 1 x Cluch Drum Sprocket & Needle Bearing Benefits and features - Restores clutch drive and smooth power transfer to the chain. - Reduces chain slip and wear for reliable operation. - Includes Needle Bearing for smoother performance. - Wide compatibility across many Dolmar models, serving as a direct replacement to maintain saw performance. Use scenarios - Replace a worn clutch drum on Dolmar 100/102 or PS-series saws to restore clutch engagement. - Perform maintenance on PS-33, PS-330, PS-340, PS-341, PS-342, PS-344, PS-39, PS-390, PS-400, PS-401, PS-410, PS-411 to maintain clutch reliability. - Keep as a ready spare part in professional Dolmar service for on-site repairs across listed models.