The Claas 11338180 is a genuine OEM adjustment washer designed for precise spacing and alignment in various Claas agricultural and construction machinery. This high-quality washer features an inner diameter of 20mm, an outer diameter of 30mm, and a thickness of 1mm, ensuring optimal performance and durability. It is suitable for a wide range of Claas tractors, combines, forage harvesters, telehandlers, wheel loaders, balers, and beet harvesters, providing reliable fitment and maintaining critical clearances.