✅Replacement blade assembly specially designed for vitamix low profile 64 oz container, compatible with many popular models such as 7500/750/780/5300, directly replace the original old or poor performance blade, so that the mixer can work better. ✅Our wet blade assembly replacement blades are made of food grade high quality stainless steel which is durable, resistant to aging, rust proof, BPA free, green healthy, dishwasher safe. ✅The blade assembly contains 4 ultra-sharp blades that can be used to grind many foods from crushed ice to puree, quickly and easily cutting ice, fruit, vegetables, nuts, meat, grains and more, Makes it easier for you to make juices, soups, sauces and purees and enjoy delicious meals. ✅Installation is very simple and does not require professional personnel. Insert nut wrench to rotate container bottom and unscrew the broken/old blender blade then insert the new blade assembly into the container bottom. It only takes a few minutes to get the unit up and running.