4 Point Blender Blades Replacement Part Compatible with Osterizer Oster [60-240] Includes high quality 4 point stainless steel blade 1 Rubber seal gasket This Blender parts compatible with oster, fits models that the outside diameter of the base of the blade is 2 3/4″, compatible with Oster 5 & 6 Cup Glass or Plastic Jars. Replacement for Oster part 4961 Materials: Steel blender knife, and rubber gasket Crush 4 Blade can Upgrade your current blender, helps blend faster, and can break through even ice for cold smoothies or ice blended margaritas.