1、Aluminium Material: Made of high quality aluminium alloy material with high strength and wear resistance, having good performance for long service life. 2、Powerful Features: Due to the aluminium alloy material, the flywheel has the features of being rust proof and stable, suitable for long term use. 3、Close Fitting: A perfect accessories, can effectively prolong the service life of the machine, stable performance, can perfectly match your machine. 4、Exquisite Workmanship: With exquisite workmanship and high accuracy, which is safe and environmentally friendly, so you can use it with confidence. 5、Warm Prompt: The replacement OEM number is 530059637, please check your model carefully before placing order to avoid inconvenience. 1 x Flywheel Item Type: Chainsaw FlywheelMaterial: Aluminium AlloyColor: As Picture ShownApplication: for Husqvarna 137, 137e ChainsawProduct Size: Approx.9x9x 3.5cm/ 3.5x 3.5x 1.4inGross Weight: Approx.305g/ 10.8ozOEM Number: 530059637 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store