Feature:1. Corrosion Resistant Alloy Steel: The chain saw crankshaft is made of alloy steel material, which is corrosion resistant and has a long service life.2. Stable Performance: Strong bearing capacity, effectively preventing slippage, stable clamping, not easy to break the handle, safe and reliable.3. Easy to Install: The crankshaft of the chainsaw is formed in one piece, without burrs, the surface is smooth, and the installation is smooth.4. Perfect Compatibility: Chain saw crankshaft fits for STIHL MS660 066 MS650 065 chainsaw, replace OEM number is #1122 030 0408, perfect match.5. Professional Manufacturing: After strict quality inspection, compact structure, high hardness, effectively improve work efficiency.Specification:Item Type: CrankshaftMaterial: Alloy SteelOEM: #1122 030 0408Fitment: Fit for STIHL MS660 066 MS650 065 chainsaw.Package List:1 x CrankshaftNote:Match the right model before use, and install under professional guidance