This is a genuine Claas 6005019452 washer, an original equipment manufacturer (OEM) part designed for optimal performance and durability in Claas agricultural and construction machinery. It features an inner diameter of 10.5 mm, an outer diameter of 20 mm, and a thickness of 2 mm. This high-quality washer ensures proper spacing and load distribution, crucial for the reliable operation of components across a wide range of Claas tractors, combines, forage harvesters, balers, and telehandlers.