Don't worry about breaking parts for your Oster blender. The Brentwood Blender Parts Kit with Ice Crushing Blades, Rubber Gasket, and Base Cap for Oster Blenders will get you back up and blending in no time. It's compatible with most Oster blenders. Details: Black 3.5" x 3.5" x 2.75" Replacement parts for Oster blenders Food-grade stainless steel, rubber Contents: Ice Crushing Blades Rubber Gasket Base Cap