Specifications:

• Model: Replaces Black and Decker 77666 SS Blade Cutter and Gasket.
• Model Number: for Black and Decker blender
• Item: Cutter Blade and Gasket
• Fitments: BL300, BL450, BL500, BL-300, BL-450 BL550
• Base Dimension: OD 73.25mm/2 7/8 inch