SS101 Replacement Blade for Ninja Blender Accessories, 7-Fins Blender Blade Compatible with Nutri Ninja Foodi Power Blender SS101, SS101TGT, CO351B, SS100, SS150, SS151, SS300, SS350, SS351No More Cracks and Rust: Replacement blades in market are easy to crack and leak after several times use, we released this new version to overcome those issues for customers after a long period of research and testing in the design and production process. For this new version 7 fins blade compatible for ninja blender, we updated the carbon steel bearing to 420 stainless steel high speed bearing, which greatly enhances the durability of our blender