Clutch Drum Sawchain Sprocket Rim 0.325 -7T For 021 023 025 MS210 MS210C MS210Z MS230 MS230C MS230Z MS250 MS250C MS250Z Replacement clutch drum sprocket set with part numbers 1123 640 2074 and 1123 640 2004.Includes needle cage 9512 933 2260, washer 0000 958 1022 0000 958 1016 0000 958 1021, and E-clip 9460 624 0801.Clutch drum spur size is 0.325 inch, 7 teeth.This item is not compatible with chain sprockets 0.325 inch 8T 1123 640 2076, 1/4 inch 8T 1123 640 2077, 3/8 inch Picco 6T 1123 640 2073, or 3/8 inch Picco 7T 1123 640 2072.Fits models 021, 023, 023C, 025, MS210, MS210C, MS210Z, MS230, MS230C, MS230Z, MS250, MS250C, MS250Z.Package includes 1 x Clutch Drum 0.325 -7T, 1 x Chain Sprocket 0.325 -7T, 1 x Needle Cage, 1 x Washer, 1 x E-Clip, and 1 x Service Card.