Blendin 6 Replacement Blade Sealing Ring Gaskets, Fits Oster Blenders This is an after market product and we make no claims that this an OEM product, may not fit all Blenders Fits Most Oster and osterizer Blenders Package includes 6 Gaskets Brand New made from food grade silicone rubber Oster Osterizer 6 Blender Blade Sealing Ring Gasket