Purposebuilt replacement: 6point fusion blade kit engineered for Oster blenders to restore proper fit and function without modifying your blender. Secure sealing and leak prevention: the included hardplastic drive gear holds the blade assembly tightly in place to reduce leaks and keep ingredients inside the jar during use. Durable material: hard plastic construction for the gear offers resistance to wear from regular blending tasks while maintaining a reliable seal. Designed for performance: the 6point fusion blade profile supports even circulation and blending of ingredients so your blender performs as intended. Compatibility: specifically made to match Oster blender blade assemblies and drive interfaces; fits standard Oster replacement needs. Easy maintenance: replacing a worn blade kit and gear helps prevent messes and can restore consistent blending results. Typical uses Smoothies and shakes: quickly blend fruits, yogurt, and ice with a secure blade assembly that minimizes leaks when jarring or pouring. Soups, sauces, and purees: produce uniform textures for hot or cold preparations while the drive gear maintains a tight seal. Dressings and smallbatch grinding: handle emulsions and smallvolume tasks without splatter or loss of ingredients. What it solves Stops leaks and messy countertops by reestablishing a proper seal between jar and drive. Restores consistent blending action if the original blade kit or gear is worn. Provides a direct, brandcompatible replacement to avoid fit or function issues. Material & form 6point fusion blade kit with a hardplastic drive gear for secure engagement and durability. Engineered to fit Oster blender blade assemblies and drive connections. Notes Intended as a replacement part for Oster blenders. Verify fit with your specific Oster jar and drive interface before installation.