1Applicable Model: This blender base blade kit is applicable for Oster Blender and for Oster PRO. The accurate size and shape make the kit fit your blender well. 2Safe: These blender replacement parts are made of food grade stainless steel and BPA free plastic, which is safe and ensure the healthy life of you and your family. 3Durable: All replacement parts are made of premium materials, which has the characteristic of impact resistance, firmness and durability, and can be cleaned by dishwasher. 4Incisive Blade: The 6 edged blade is incisive enough to crush ice and food ingredients easily, which can greatly improve your work efficiency and save you worry and effort. 5Convenient Replacement: The installation and disassembly are very convenient. You can directly replace the original old or damaged parts with new parts.