2-pack for improved durability: Our double bearing housing package ensures you have a spare part ready, made of robust metal for reduced wear and extended lifespan. Compatible with Stihl trimmers, these parts prevent frequent replacements, saving both time and money.High-quality construction: Made from premium metal, these bearing housings are built to last, resisting breakage and decay. Their durability ensures your trimmer operates smoothly, extending its lifespan and reducing the need for costly new purchases.Perfect compatibility: Specifically designed to fit Stihl FS38, FS40, FS45, FS46 models, our bearing housings seamlessly replace part number 4144 640 5900. They are engineered for a perfect fit, ensuring optimal performance and efficiency in your trimming tasks.Easy installation, extended performance: Installation is straightforward with our bearing housings. We include necessary lubricants and protective gloves for a quick installation. Regular application of lubricants promises stable and long-lasting operation of your trimmer.Essential for efficient lawn mowing: Solve common trimmer problems like overheating with our carefully engineered bearing housings. These essential replacements stabilize the trimmer's operation, improve your cutting efficiency, and ensure a consistently well-maintained lawn.Color: Photo ColorMaterial: MetalThe actual product may have a slight color difference or variation, which does not affect usePackage Contents:2x bearing housingOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.