Blenpar 6 Blades Fusion Blade and Base compatible with Oster Osterizer Blenders Replaces Blade Part Number 4980, 118530 Includes the Jar Bottom Base Cap Nut Fits Oster and Osterizer Blenders Has six blade for faster, better blending Does NOT fit Pro, Master, or Versa Models. It fits models that the outside diameter of the base of the blade is 2 3/4". This is an aftermarket item made to fit Oster Blenders FEEDBACK: We will leave feedback after receiving a feedback. If for any reason you are dissatisfied with your purchase, please contact us immediately before leaving any NEGATIVE FEEDBACK so we resolve whatever issue you may have. 100% Customer satisfaction! Sales Tax: CA residents will be charged Sales Tax SHIPPING: Orders are usually processed within 24-48hrs. All weekend purchases are shipped Monday. CONTACT US: Have any question(s) contact us in contact seller. RETURNS: Returns are accepted but must be authorized in advance.