Features: OOTDTY● Compatible Chainsaw Parts: 6-Tooth Clutch Cover for 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250● Replace OEM Positive Sprocket #3/8 LP pitch 1123 640 2003, 1123 640 2073. , Clutch Assembly fits #1123 160 2001. Worm Gear fit #1123 640 7102.● You will get chainsaw parts: 1 x Sprocket, 1 x Clutch, 1 x Sprocket Bearing, 1 x Electronic Clamp, 1 x Washer, 1 x Spark Plug, 1 x Worm Gear● Best made of metal + plastic, strong and , ● Best quality: and long-lasting spare parts accessories. Specification: Material: Metal + Plastic Size: As the picture showsPackage Included: 1 Set Gear Coupling DrumNote: 1. Please allow 1-2mm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.