Feature: 1. Professional manufacturing, in line with strict production standards, can be perfect for your chain saw tools. 2. The installation and replacement method is simple, which can directly replace the old or damaged parts. 3. Made of new metal material, wear‑resistant, corrosion‑resistant, not easy to damage, long service life. 4. Perfect chain saw clutch drum, exquisite workmanship, reliable quality, high safety. 5. This product is perfect for MS180 MS170 018 017 chain saw. Specification: Condition: Brand New Item Type: Clutch Drum Material: Metal Spacing: 3/8in Number of Teeth: 6 Fitment: Fit for MS180 MS170 018 017 Weight: Approx. 111g / 3.9oz Diameter: Approx. 6.8cm / 2.7in Package List: 1 x Clutch Drum Note: 1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.