ITEM NAME:Clutch Sprocket Drum Bearing Kit for Husqvarna 445 450 E 578097901 578 09 79-01 Description: Made of high quality iron material,durable. Easy and convenient to install and replace. Fits for Husqvarna 445 450 E Jonsered 2145 2150 Replace Part No. For 578097901, 578 09 79-01 Size:Approx.7x2.3x2.3cm/2.76x0.91x0.91inch. Package Includes: 1 x Clutch Drum 1 x Rim Sprocket 1 x Needle Bearing Note: Colors might be different due to different monitor display. Please allow slightly difference in size due to manual measurement..Replace Part No. For 578097901, 578 09 79-01. Fits for Husqvarna 445 450 E Jonsered 2145 2150. 1 x Clutch Drum. 1 x Rim Sprocket. 1 x Needle Bearing. Made of high quality iron material,durable.