Item Type: Chainsaw Flywheel Material: Aluminum Alloy Product Size:Approx. 11 x 11 x 4cm / 4.3 x 4.3 x 1.6in Inner Diameter of the Convex Part:Approx. 1.3cm / 0.5in Scope of Application:For Stihl 044 MS440 Chainsaw1High Accuracy: Aluminum alloy freewheel chainsaw is professionally manufactured, and superb craftsmanship and high accuracy help provide good performance. 2Stable Performance: The chainsaw flywheel replacement is the perfect accessory for garden tools to perfectly match your machine. 3Aluminum Alloy Material: Chainsaw parts is made of aluminum alloy, high hardness, strong, anti rust and wear resistant. 4Ideal Replacement: Chain saw flywheel can replace the old broken flywheel, which can effectively extend the life of the machine. 5Easy to Install: The aluminum alloy freewheel chainsaw is easy to use and installs on the appropriate chainsaw model. 1 xChainsawFlywheel