Item Type: RC differential housing_x000D_Material: Aluminium alloy_x000D_Weight: Approx. 9g / 0. 32oz_x000D_Size: 23x14mm / 0. 91x0. 55in_x000D_Inner Diameter: 7. 5mm / 0. 3in_x000D_Compatibility: For 820564 1/10 RC Crawler 1FULL PROTECTION: Made of premium aluminum alloy, this differential housing gives protections to your RC crawler's internal gears from rock damage and ensures fine and pleasant driving. 2ACCURATE DESIGN: The accurate shape and size of this housing provide balanced driving, maximizes performance, and enhances the realism for your RC crawler. 3SUPERIOR MATERIAL: Corrosion resistant, and with high strength, this housing has a beautiful appearance and is more durable than stock plastic parts thanks to its aluminium alloy material. 4EASY INSTALLATION: Equipped with fixing screws, this differential housing can be directly replaced with damaged or stock plastic parts, making it easy to upgrade and increase strength. 5COMPATIBILITY: This differential housing fits for 820564 1/10 RC Crawlers and improves their overall performance. Your perfect choice for your RC crawler repair or replacement.