The cutter, sealing gasket and bottom base are the replacement parts replacementfor Oster blender, keeping your blender functioning as flawlessly as the day you brought it home. Features: This assembly will fit multiple different models replacementfor Oster. (Not suitable for using as replacement forOsterPro1200/OsterVersa/Osterfushion.) Stainless steel blade fits , lastics, and stainless steel jars. Gasket mounts between the blender blade assembly and the lip of the jar. The purpose of bottom base is to hold the blade and seal in place at the bottom of the blender jar. Keep your blender refresh and revive. Specifications: Material: Stainless steel Cutter Diameter: 66mm / 2.6in Gasket Outer Diameter: 65mm / 2.56in Base Outer Diameter: 78mm / 3.07in Package Weight: 125g / 4.41ounces Package Size: 80 * 80 * 60mm / 3.15 * 3.15 * 2.36in Note: Not suitable for using as replacement forOsterPro1200/OsterVersa/Osterfushion. Package List: 1 * Replacement Cutter 1 * Sealing Gasket 1 * Bottom Base