【Durable Material】: Sliding plate is made of wear-resistant and corrosion-resistant aluminium with a thickness of 1 mm and a diameter of 221 mm.
Compatibility: This product is suitable for Husqvarna Automower 420, 430X 440, replaces original for Husqvarna: 587378001.
Easy installation: simply install this disc on the plastic mower deck of your lawn mower.
Package includes: one product.
【Recommendation】: Replace the discs of your lawnmower if you notice worn or damaged blades or if the discs are too worn to continue cutting effectively.