Product Description This tool kit is compatible with a variety of Oster blender models. Product Features: Made with high-quality materials for durability. Compatible with a variety of Oster blender models. Make your Oster blender look brand new and work perfectly. Easy to use and operate. -Replacement Blades: 1. Stainless steel blades. 2. Powerful ice crusher. 3. Suitable for plastic and stainless steel blending cups. 4. Durable. 5. Refresh your Oster blender and extend its lifespan. 6. Keep your Oster blender looking new. -Sealing Ring: 1. Installed between the blender blade assembly and the edge of the blending cup. 2. Do not install under the blender blade assembly or between the blade and the plastic base cap—this will cause the blending cup to leak and the seal to fail. 3. Depending on the frequency of blender use, the sealing ring may become brittle, crack, or flattened, resulting in a poor seal and failure to prevent liquid from leaking from the bottom of the blending cup. -Base: 1. This part secures the blades and sealing ring to the bottom of the blender cup. 2. Due to its plastic threads, it will wear down over time, causing the blender cup to leak. 3. Overtightening may cause this part to crack, dropping may cause damage, and overheating may cause deformation. 4. After removing this part, please check if the sealing ring is cracked or over-compressed. Specifications: Product Type: Juicer Accessory Material: Stainless Steel Package Weight: 125g/4.4oz Package Dimensions: 100*100*80mm/3.93*3.93*3.14inch Package List: 1 * Replacement Blade 1 * Sealing Gasket 1 * Base Note: 1. Due to differences in monitors and lighting, the picture may not reflect the actual color of the product. Thank you for your understanding. 2. Please allow for slight errors due to manual measurement.