The Oregon 108565X is a high-quality, genuine Oregon clutch drum assembly, featuring a 3/8-inch pitch and a 7-tooth rim sprocket. This durable sprocket drum ensures efficient power transfer and smooth operation, contributing to the longevity and reliability of your chainsaw. It is a direct replacement part designed for optimal performance across various Husqvarna and Jonsered chainsaw models, including the Husqvarna 355, 357, 359, 362, 365, 371, 372, 385, 390, 570, 575, 576 series, and Jonsered 2156, 2159, 2163, 2165, 2171, 2186 series.